(2013·高考四川卷)—Why are your eyes so red? You________have slept well last night.—Yeah,I stayed up late writing a report.
#62468
A
can’t
B
mustn’t
C
needn’t
D
won’t
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The room is in a terrible mess; it        have been cleaned.
#63332
A
mustn’t
B
can’t
C
shouldn’t
D
wouldn’t
You ________ in person; a telephone would have been enough.
#62344
A
couldn't have come
B
needn't have come
C
shouldn't have come
D
mustn't have come
-- _____ I ask you a question, Mr. Wang?      -- Yes, you _______.
#76518
A
Can, can’t
B
Can, may
C
May, can
D
May, mustn’t