题目内容

Now I have a good salary, I ________ worry about paying the rent.

A. mustn’t
B. have to
C. don’t have to
D. must to not

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Which sentence has the strongest obligation?

A. I have to call my mum because it’s her birthday.
B. I ought to call my mum because it's her birthday.
C. I should call my mum because it's her birthday.
D. I could call my mum because it's her birthday

You ______ use a video camera to record films while you are in the cinema. It’s illegal.

A. oughtn’t to
B. can’t
C. shouldn’t
D. don’t have to

For us, the ideal house ________ have three bedrooms but it________ have a big kitchen. Kitchens aren’t very important for us as we rarely cook.

A. must, mustn’t
B. should, shouldn’t
C. can, can’t
D. has to, doesn’t have to

The doctor says he ______ be careful about his weight and diet because he has a history of heart disease in his family.

A. must
B. has to
C. should
D. all of the above

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