The boss ______ the worker how to do it, or the accident couldn’t have happened.
#63303
A
can’t have told
B
ought to tell
C
could have told
D
mustn’t have told
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---I was told to be here at this time.---Sorry, you ___________. I forgot to tell you we've changed the plan.
#76828
A
must
B
may
C
can't
D
needn't
(2013·重庆高考)—What are you doing this Saturday?—I'm not sure, but I ________ go to the Rolling Stones concert.
#62394
A
must
B
would
C
should
D
might
You _____ all those clothes! We have a washing machine to do that sort of thing.
#63601
A
wouldn’t have washed
B
mustn’t have washed
C
needn’t have washed
D
can not have washed
I’m sorry, Bill. I _________ the book to you last week, but I was so busy that I forgot to do so.
#63435
A
must have returned
B
could return
C
should have returned
D
might return
—The similarities between social networks are striking.—That ________ come as no surprise，because they are all products of the Internet.
#62485
A
should
B
shall
C
may
D
must