He paid for a seat, when he ______ have entered free.
A. could B. would C. must D. need
—Lucy doesn’t mind lending you her dictionary.
—She______.I have already borrowed one.
A.can’t B.mustn’t C.needn’t D.shouldn’t
The World Wide Web is sometimes jokingly called the World Wide Wait because it ______be very slow.
A.should B.must C.will D.can
There ______ be any difficulty about passing the road test since you have practiced a lot in the driving school.
A.mustn’t B.shan’t C.shouldn’t D.needn’t
John, look at the time. ______ you play the piano at such a late hour?
A.Must B.Can C.May D.Need
The old lady’s hand shook frequently. She explained to her doctor ______ this shaking had begun half a year before, and ______, only because of this, she had been forced to give up her job.
A.when;how B.how;when C.how;how D.why;why
