5. How do you do different things? Write sentences using adverbs and because. Use the words and phrases to help you.

(Bạn làm những công việc khác nhau như thế nào? Viết các câu sử dụng trạng ngữ và because. Sử dụng từ vựng và cụm từ để giúp bạn.)

 I get up slowly in the morning because I’m tired.

(Tôi thức dậy một cách chậm chạp vì tôi mệt.)

1.Fill in the blanks with the words from the text on page 94.

(Điền vào chỗ trống với các từ trong văn bản ở trang 94.)

1 Solar energy is renewable ………… the sun never stops producing sunlight.

2 Solar panels catch sun rays ………… change them into electricity.

3 We use fossil fuels in our daily life, ………… they are limited and cause pollution.

4 There is nothing to lose when we use solar energy ………… wind power.

2.Look at the sentences in exercise 1 and choose the correct words in the Rules.

(Nhìn vào các câu trong bài tập 1 và chọn từ đúng trong Quy tắc.)

4.Rewrite the sentences with the words in thebrackets.

(Viết lại các câu với các từ trong ngoặc.)

1 We should stop using fossil fuels. They cause pollution. (… because …)

2 We should choose solar energy. Otherwise, we should choose wind power. (… or …)

3 Wind power is renewable. It is safe. (… and …)

4 Nuclear power is unlimited. It is unsafe. (, but …)

5 Nuclear power is unlimited. It is unsafe. (; however, …)

3.Look at the words in blue in the text. Which word introduces a reason? Which one introduces a result?

(Nhìn vào các từ có màu xanh trong văn bản. Từ nào giới thiệu lý do? Từ nào giới thiệu một kết quả?)

4.Complete the sentences with because or so.

(Hoàn thành các câu với becausehoặc so.)

1 I can’t play football today ……………. I’ve sprained my ankle.

2 I cut my hand badly today ……………. my mum took me to hospital.

3 I fell off my bike ……………. now I have a big bruise on my arm.

4 I couldn’t see ……………. I wasn’t wearing my glasses.

5 I’m bored ……………. my computer isn’t working.

 5.GUESS WHO? Work in groups. Follow the instructions.

(ĐOÁN XEM LÀ AI NÀO? Làm việc nhóm. Làm theo chỉ dẫn.)

-On a piece of paper, each student completes the sentence below and folds it in two.

-Mix up the group’s pieces of paper and each student takes one.

-Takes turns reading out the sentences and guessing who wrote them.

I would like to ... because I …

 5.GUESS WHO? Work in groups. Follow the instructions.

(ĐOÁN XEM LÀ AI NÀO? Làm việc nhóm. Làm theo chỉ dẫn.)

-On a piece of paper, each student completes the sentence below and folds it in two.

-Mix up the group’s pieces of paper and each student takes one.

-Takes turns reading out the sentences and guessing who wrote them.

I would like to ... because I …

 12.Write sentences using because, and, but, or.

(Viết câu sử dụng because, and, but, or.)

1 You / I / should use / solar energy.

2 Olga / will visit / Egypt / Elsa won't.

3 They / stayed at home / they wanted/ avoid Covid-19.

4 'Would you like tea / coffee?' 'Either.'

5 Study hard / you'll fail the exam.

6 I saw / her brother / I not see her father.

a. Listen and repeat.

(Nghe và lặp lại.)

b. Unscramble the sentences.

(Sắp xếp câu.)

1. because/ passed/ really/ English/ I/ happy/ I'm/ my/ test.

I'm really happy because I passed my English test. 

(Tôi thực sự vui vì tôi đã vượt qua bài kiểm tra tiếng Anh của mình.)

2. lost/because/She's/her/upset/math textbook./she/so

____________________________________________________

3. mom/My/my/failed/geography/disappointed/really/ because/test./I /is

____________________________________________________

4. annoyed/got a D/history/homework./so/my/on/I'm/l/because

____________________________________________________

5. were/ surprised/The students/really/they/passed/exams./their/because

____________________________________________________

6. she/on/pleased/was/She/because/so/her/got an A/math test.

____________________________________________________

c. Write sentences using the pictures and the prompts.

(Viết câu sử dụng hình ảnh và gợi ý.)

1. She is so pleased because she got a B on her math exam.

(Cô ấy khá hài lòng vì đạt B bài kiểm tra Toán.)

2. _____________

3. _____________

4. _____________

d. In pairs: Talk about how you feel about school and why. Use the adjectives in the box.

(Theo cặp: Nói về việc bạn cảm thấy thế nào về trường học và tại sao. Sử dụng tính từ trong hộp.)

I'm really pleased because I got an A on my math test.

2. Rewrite the sentences using the words in brackets.

(Viết lại các câu sử dụng các từ trong ngoặc.)

1. The beach was dirty. They decided to clean it. (so)

The beach was diry, so they decided to clean it.

2. The animal shelter is close to her house. She walks there. (so)

____________________________________________________

3. There is air pollution. There are too many cars on the streets. (because)

____________________________________________________

4. There are too many endangered animals. We need to create national parks. (so) 

____________________________________________________

5. The park is clean now. We organized a clean- up day. (because)

____________________________________________________

3. Start a sentence. Your partner completes it using so or because.

(Bắt đầu bằng một câu. Bạn cặp của bạn sẽ hoàn thiện nó bằng vì vậy hoặc bởi vì.)

A: People cut down trees,...

B: People cut down trees, so our forests are in danger. 

(A: Mọi người chặt cây

B: Mọi người chặt cây, vì vậy rừng của chúng ta gặp nguy hiểm.)

3. Choose the correct option.

(Chọn đáp án đúng.)

1. We’re not going to the park because/so it’s cold.

2. We should walk but/or we should ride our bikes to school.

3. He’s tired. Although/However, he won’t stop.

4. I will plant trees so/and you will pick up litter.

5. We can give our old toys to children in hospital, so/and they will feel happy.

6. He arrived late although/however he left early.

7. He wanted to help the community, so/because he joined a recycling club.

8. They couldn’t pick up all the litter, because/so we helped them.

4.Complete the sentences with your own ideas. Use because and some of the adjectives on this page.

(Hoàn thành các câu sau với ý kiến của bạn. Sử dụng because và một số tính từ trong trang này.) 

Arrange these words/ phrases into the meaning sentences 

sunburn / yesterday / was / because / outside / has / Alice / she / all / day. 

→ __________________________________________________________________.

2. Match 1-6 with a-f. Then write new sentences with so and because.

(Nối các dòng từ 1-6 với các dòng từ a-f. Sau đó viết thành các câu mới sử dụng so và because.)

1 I will choose to take showers

2 I will choose to use light tubes

3 I will choose to walk to school

4 I will choose to install a solar system

5 I will choose to plant more trees

6 I will choose to stop using plastic bottles

a           I don’t want to pollute the environment.

b           I can have more shade here.

c           baths use more water.

d           bulbs use more electricity.

e           I want to reduce electricity bills.

f           I want to do more exercise.

4. Use the most suitable conjunctions to make sentences. 

(Sử dụng các liên từ phù hợp nhất để viết các câu văn.) 

1 use/green sources / energy/ you / protect / earth

2 limit/use /fossilfuels /our future generations / lack energy

3 green sources / energy / good / we need more time / make / perfect (2 ways)

4 Việt Nam /a long seaside / suitable / develop /solar energy and wind power (2 ways)

Connecting ideas

3. Order the words to make sentences. 

(Sắp xếp các từ sau thành câu hoàn chỉnh.)

1 or we /stop using fossil fuels /we should /to breathe / will have no fresh air

2 we ought/using coal / pollutes the air /to stop / because it

3 an effective source / but / nuclear power is /very dangerous / of energy / it is

4 look for / we will have / we should / alternative sources of energy / and / a better environment

5 an effective source / although / nuclear power is / very dangerous / of energy / it is

12. Choose the correct option.

(Chọn đáp án đúng.)

1. They came back home late because/so they missed the bus.

2. The room is very tidy, so/because there's nothing to clean.

3. You can set up the tent but/or you can pick up the litter.

4. Although/However it was late, they went for a walk.

5. He was tired. Because/However, he planted all the trees in his garden.