—Why didn’t Susan come to school? —I don’t know. She____ ill.
#87988
A
could be
B
may have been
C
might
D
must have been
推荐题目
— The terrible accident is under investigation．— Actually, quicker action _____ those workers trapped in the mine．
#87562
A
might have saved
B
must have saved
C
should have saved
D
could have saved
But for the sudden rainstorm, our trip to Hong Kong _____ a very pleasant one.
#88063
A
was
B
would have been
C
would be
D
had been
—How much shall I pay for the food?—You .This is free of charge.
#87632
A
mustn’t
B
needn’t
C
shouldn’t
D
couldn’t
The doctor insisted that the patients _____ in great danger and _____ operated on immediately.
#87305
A
was; be
B
be; be
C
was; was
D
be ; was
My careless friend Bob received a ticket for speeding. He ____ have driven so fast.
#87755
A
can’t
B
wouldn’t
C
mustn’t
D
shouldn’t