This book _______ be Tom’s. Look! His name is on the cover.
#75261
A
must
B
may
C
can’t
D
can
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The weather turned out to be fine yesterday. I _______ have taken the trouble to carry my umbrella with me.
#63182
A
should
B
could
C
needn’t
D
mustn’t
—Mr. Wang __________ be in the office. The light is still on.—No, he __________ be. Because he phoned me from the farm just now.
#77260
A
may; mustn’t
B
mustn’t; mustn’t
C
can’t; can’t
D
must; can’t
The driver ____ have drunk a lot before the accident, but I'm not quite sure of that．
#63008
A
might
B
must
C
should
D
would
Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
#74948
A
mustn’t
B
ought not to
C
needn’t
D
don’t have to
She ________ when she received her medical report.
#63609
A
could help but to cry
B
couldn’t help but crying
C
couldn’t help crying
D
couldn’t help to cry