--Is the man standing outside the teacher’s office Mr. Zhou?  --No, it ______ be him. He has gone to Hong Kong for an academic conference. 
#78290
A
mustn’t
B
can’t
C
needn’t
D
couldn’t
推荐题目
 ---The book _____ be Tom’s.---No, it _____ be his. There’s a name on the book. It’s Jim’s.
#74804
A
must; mustn’t
B
may; mustn’t
C
can; can’t
D
must; can’t
---Shall we meet at the station at 7 am?---In fact, we _______. The train _______ until 9 a. m.
#75534
A
mustn’t; doesn’t leave
B
mustn’t; leaves
C
needn’t; won’t leave
D
needn’t; will leave
--- Must I stay at home, Mum?--- No, you_____
#63171
A
needn’t
B
mustn’t
C
don’t
D
may not