The train is to start soon and Mary hasn’t turned up． What _____ have happened to her?
#63249
A
can
B
might
C
may
D
should
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“Not having returned home yet, _________”, his father said to the police.
#63543
A
his mother got worried
B
his mother must be worried
C
I think he is missing
D
he must have got into some trouble.
You had better _________ wine because you have to drive back home.
#75975
A
not drink
B
don’t drink
C
not to drink
D
won’t drink
The weather in the south is generally warm, but it________ be very cold sometimes.
#63099
A
may
B
shall
C
will
D
can
(2013·青岛二模)John ________ yet, or he would have telephoned me.
#62411
A
mustn't have arrived
B
shouldn't have arrived
C
needn't have arrived
D
can't have arrived