-Could I use your bike, Jack?--Of course, you____________.
#90003
A
can
B
may
C
could
D
might
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If he ______ it, he _______ it.
#88200
A
had seen; could have believed
B
saw; couldn’t believe
C
saw; couldn’t have believed
D
has seen; had believed
You ______ tell Margaret --- I don’t want her to know about this matter .
#87995
A
can’t
B
mustn’t
C
needn’t
D
shouldn’t