—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
From what I learn about their hotel, the service and the weather, they their holiday very much.
#88226
A
couldn’t have enjoyed
B
shouldn’t have enjoyed
C
needn’t have enjoyed
D
can’t have enjoyed
—What a pity! Their experiment is a failure.—They ________ better under more favorable conditions.
#86419
A
should have done
B
could have done
C
must have done
D
may have done
---Sorry, sir. I can't answer this question.---Well, you are supposed ______ this part of history.
#86650
A
reading
B
to be reading
C
to read
D
to have read.
—George, ___ _ you sing so loudly at such a late hour? —I am terribly sorry．
#87932
A
will
B
may
C
must
D
shall