The World Wide Web is sometimes jokingly called the World Wide Wait because it ________ be very slow.
#87454
A
should
B
must
C
will
D
can
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When he saw all his books _____ here and there on the floor, he knew that something terrible _____.
#88903
A
lying; must have happened
B
lie; must happen
C
lay; might have happened
D
had lain; could have happen
He ______. It's a shame my mobile phone was power-off.
#90420
A
ought to call me
B
could have called me
C
may be calling me
D
might call me
_________ be sent to work there?
#87346
A
Who do you suggest
B
Who do you suggest that should
C
Do you suggest who should
D
Do you suggest whom should
(2012·全国卷Ⅰ)I ________ use a clock to wake me up because at six o'clock each morning the train comes by my house.
#86531
A
couldn't
B
mustn't
C
shouldn't
D
needn't