While watching television, __________.
#90451
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell ring
D
we heard the doorbell rings
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He has no idea what the book is about．He have read it very carefully．
#87733
A
needn’t
B
shouldn’t
C
can’t
D
mustn’t
---- Don't you think it necessary that he _______ to Miami but to New York?---- I agree, but the problem is ________ he has refused to.
#89848
A
will not be sent; that
B
not be sent; that
C
should not be sent; what
D
should not send; what
-I wonder why Mr Green hasn’t showed up at the meeting yet.-I’m not sure, but he _______ in a traffic jam driving here.
#89231
A
could be stuck
B
might stuck
C
might have been stuck
D
must have stuck
He____to school,so he turned off the alarm clock and went back to sleep.
#87112
A
needn’t have gone
B
hasn’t needed to go
C
needn’t go
D
didn’t need to go
I really don’t know how to express my thanks to Mr. Li, my high school English teacher, without whose help I__________ to college that year.
#87723
A
weren’t to go
B
hadn’t been able to go
C
couldn’t go
D
couldn’t have gone