Mary doesn't want to move to Beijing because if she________ _there, she wouldn't be able to see her husband often.
A. would live B. were to live
C. has lived D. lives
The biggest problem for most plants, which ________just get up and run away when threatened, is that animals like to eat them.
A. shall not B. can't
C. needn't D. mustn't
— Could you please have my car ready today?
— Sure. The damage is not that serious, so it ______ be ready by 5:00 p.m.
A. should B. could
C. might D. need
The door is open but nobody is in. Mary______have forgotten to lock the door.
A. should B. must
C. would D. could
—Sometimes I am even sleepy in class.
—It’s terrible. You _____ as well go to bed earlier.
A. should B. will
C. might D. can
— Lucy looks so upset. She ______ the driving test.
— It is the second time that she has failed in the test.
A. can’t pass B. mustn’t pass
C. can’t have passed D. mustn’t have passed
