Choose the best answer A, B, C or D to complete the sentences.
Sam will not graduate unless he ________ all the tests.
-
A.
passes
-
B.
passed
-
C.
had passed
-
D.
pass
Kiến thức: Câu điều kiện loại 1
- Dấu hiệu: Mệnh đề chứa “unless”, động từ chia tương lai đơn “will not graduate”
- Cách dùng: Câu điều kiện loại 1 dùng để diễn tả hành động có thể xảy ra ở hiện tại và tương lai.
- Công thức câu điều kiện loại 1 với “unless”: S + will(not) + V + unless + S + V(s,es)
Chủ ngữ “he” => động từ: passes
Sam will not graduate unless he passes all the tests.
Tạm dịch: Sam sẽ không tốt nghiệp nếu cậu ấy không vượt qua tất cả các bài kiểm tra.
Đáp án : A
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