-- Who do you think _____ such a foolish thing?-- It _____ Tom, but I’m not sure.
#62680
A
could have done; may have been
B
could have done; must have been
C
should have done; may be
D
must have done; might have been
推荐题目
It’s beyond our comprehension that Jim, who tops the class in English, ________ have difficulty translating such a simple sentence.
#62813
A
shall
B
should
C
might
D
must
—I’ll call Bob and tell him the good news.—You __________ do that. He was here just now and heard it.
#62554
A
couldn’t
B
mustn’t
C
shouldn’t
D
needn’t
He ___________ unwisely, but he was at least trying to do something helpful.
#63139
A
may have acted
B
must have acted
C
should have acted
D
would act
—Whose purple coat is this?—It ____ be Lily’s. Hers is red. It _____ be Lucy’s. She likes purple.
#75643
A
must; may
B
may; must
C
can’t; may
D
mustn’t; must
--Is Professer Smith giving the speech today?--It ________ be him. He is abroad right now.
#62935
A
mustn't
B
needn't
C
won't
D
can't