a. must
b. had to
c. have to
d. should
2: 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
3: 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.
4: 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
5: 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
6: 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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1: When we were children, we __________ tidy our rooms before we could watch TV.
a. must
b. had to
c. have to
d. should
2: 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
3: 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.
4: 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
5: 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
6: 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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