—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 _____ you somewhere before , but your name has escaped me _____ moment .
#90395
A
must see ; for a moment
B
must have seen ; for a moment
C
must see ; for the moment
D
must have seen ; for the moment
I should not have laughed if I________you were serious.
#86477
A
thought
B
would think
C
had thought
D
have thought
---Did you visit the famous museum ? ---No. We ______ it. But we spent too much time shopping.
#89472
A
can't have visited
B
could have visited
C
must have visited
D
shouldn't have visited
Water ____ be changed into vapour but it ____ be heated to its boiling point .
#89755
A
may ; can
B
can ; must
C
may ; needn''t
D
must ; may
The ecologists urged measures _______ to protect the wildlife.
#87408
A
would be made
B
would be taken
C
be taken
D
be made