He ________ your car by mistake because he didn't have the keys.
#62484
A
mustn't have taken
B
shouldn't have taken
C
couldn't have taken
D
needn't have taken
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He had no choice but to go on because it is their agreement that no one ______ quit the plan half way.
#63122
A
need
B
will
C
shall
D
can
－ Mum, I’ve been studying all the morning. _____ I play computer games for a while?－No, I’m afraid not.
#63395
A
Can’t
B
Won’t
C
Shouldn’t
D
Wouldn’t
—Are you coming to Jeff's party?—I'm not sure.I ________ go to the concert instead.
#62509
A
must
B
would
C
should
D
might