Choose the best answer to complete the sentence.
You _____ pick up flowers in the school garden.
must
mustn't
can’t
should
Choose the best answer to complete the sentence.
Travelling on mountains is really dangerous, so you _____ go alone.
should
can
must
mustn’t
Choose the best answer to complete the sentence.
We _______ eat sweets in the classrooms.
can
must
mustn't
don't have to
Choose the best answer to complete the sentence.
I ______ watch TV late at night. My parents say I must go to bed early.
can't
must
can
don’t have to
Choose the best answer to complete the sentence.
You____ put the rubbish into the bin.
must
mustn't
has to
don't have to
Choose the best answer to complete the sentence.
You ______ take photos in this museum. It's against the rule.
must
can
mustn't
don't have to
Choose the best answer to complete the sentence.
You ________ speak on the mobile phone on an aeroplane.
can
must
mustn't
don’t have to
Choose the best answer to complete the sentence.
I _______ do my homework. My teacher said so.
can
mustn't
have to
don't have to
Choose the best answer to complete the sentence.
This is the smoking room at this airport . You ______ smoke in this room.
must
mustn't
can
don't have to
Choose the best answer to complete the sentence.
You _______ across the road without looking around.
must
mustn’t
can
don’t have to