—Mary broke up with me!—You_ _have forgotten about the Valentine's Day．
#63101
A
shouldn't
B
couldn't
C
needn't
D
mustn't
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There was something wrong with the network，or the e-mail____ earlier.
#62904
A
could have been sent
B
might be sent
C
need have been sent
D
must be sent
He is ______ outstanding student from ______ university in America.
#77185
A
a; a
B
a; an
C
an; a
D
an; an
--- Is John coming by train?--- He should, but he _______ not. He likes driving his car.
#74337
A
must
B
can
C
may
D
need
---Are you content with her lecture? ----Far from that. It _______.
#63457
A
may have been good
B
couldn’t have been worse
C
can’t be better
D
must be better