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
查看答案
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
He must ____________ it; he was the only one who had a key.
A. have stolen
B. stole
C. has stolen
D. had stolen
If only I _________ crashed the car!
A. had
B. hadn’t
C. did
D. didn’t
He wouldn’t have been late for the exam if he ____________ earlier.
A. leave
B. left
C. had left
D. hadn’t left