－Look, your sister is playing the piano over there.－She ______ be my sister. She has gone to America.
#77768
A
mustn’t
B
can’t
C
shouldn’t
D
may not
推荐题目
---Is Mr Hu in the reading room?---No, he _______be there. He has gone to Tianjin.
#75321
A
mustn’t
B
needn’t
C
won’t
D
can’t
—David，is that man your Chinese teacher?—It___________ be him．He’s having a meeting．
#76087
A
mustn’t
B
can’t
C
needn’t
D
won’t
–Hi, Tom. Any idea where Jane is? --She _______ in the classroom. I saw her there just now.
#63440
A
shall be
B
should have been
C
must be
D
might have been