—Mary broke up with me!—You _____ have forgotten about the Valentine's Day．
#86967
A
shouldn't
B
couldn't
C
needn't
D
mustn't
推荐题目
I would rather ________ to work after my graduation, but my fathe would rather I ________ abroad for further education.
#86707
A
to go ; go
B
go; went
C
went ; have gone
D
went ; will go
China Hengda＿well have won the football match, but I don't know because I wasn't there.
#86564
A
could
B
may
C
should ．
D
must
The suggestion that the president _____ the meeting was accepted.
#87279
A
would attend
B
attend
C
attends
D
attended
I know it’s normal for such a thing to happen, but we _____ it if we’d been more careful.
#86837
A
need have avoided
B
could have avoided
C
will have avoided
D
had avoided
While watching television, __________.
#90451
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell ring
D
we heard the doorbell rings