---- Is Ann knocking at the door?--- No, it ______ be Ann. She has gone to Beijing.
#76806
A
can’t
B
mustn’t
C
needn’t
D
may not
推荐题目
一What will the weather be like tomorrow?一It be rainy ,cloudy or sunny．Who knows? Even the weather report is not always right.
#74092
A
must
B
might
C
should
D
can
一Are you going to Guilin by plane?一It’s fast but expensive, so I’m not sure．I ________ take a train．
#74668
A
should
B
may
C
must
D
will
A hard-working man _____ become a great scientist, but a great scientist _____ be a hard-working man.
#75893
A
can’t, can
B
may not, can
C
can’t, must
D
may not, must
—I called you at 9 last night，but no one answered.—Sorry，I ________ sleeping.I went to bed very early.
#62284
A
need have been
B
would have been
C
must have been
D
should have been