(2013·四川高考)—Why are your eyes so red? You ________ have slept well last night.—Yeah, I stayed up late writing a report.
#86578
A
can't
B
mustn't
C
needn't
D
won't
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All the doctors in the hospital insisted that he________ badly wounded and that he ______at once.
#87457
A
should be, be operated on
B
were, must be operated on
C
was, should be operated
D
was ,be operated on
—How was the professor's lecture?—Impressive. Thank you so much for giving me a lift during the rush hours. If not, I ________ the lecture today.
#87399
A
couldn't attend
B
might not have attended
C
mustn't have attended
D
can't have attended
It is important to know about the cultural differences that______ cause problems．
#87230
A
must
B
may
C
dare
D
shall