—Listen! Is Mary singing in the next room?—No. It _______ be Mary．She has gone to Shanghai for an important meeting.
#74311
A
can’t
B
may not
C
mustn’t
D
needn’t
推荐题目
—Must I return the book this week?— No, you ____. You can ____ it for 20 days.
#75821
A
mustn't: keep
B
needn't; borrow
C
needn't; keep
D
mustn't; borrow
— Did you visit the museum today? — No. We ______ it, but we spent too much time shopping.
#63436
A
could have visited
B
must have visited
C
may have visited
D
couldn’t have visited
– Must I stay here with you?-- No, you ______. You may go home, but you _____ go to the net bar(网吧).
#75906
A
mustn’t; needn’t
B
needn’t; mustn’t
C
must; need
D
need; must
--Listen! Kate is playing the piano in the next room. --It _______________be Kate. She has gone to Hangzhou to visit the Cross-sea Bridge.
#78174
A
needn’t
B
mustn’t
C
can’t
D
shalln’t
This lift __________ only hold 12 people. It’s full now. We ________ wait for some more time.
#76695
A
can; have to
B
can; may
C
may; may
D
must; can