(2010·辽宁高考)Doctors say that exercise is important for health, but it ________ be regular exercise.
#62385
A
can
B
will
C
must
D
may
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The weather turned out to be fine yesterday．I the trouble to carry my umbrella with me．
#63079
A
should have taken
B
could have taken
C
needn’t have taken
D
mustn’t have taken
(2012·四川)—Goodbye，John.Come back again sometime.—Sure，________.
#62443
A
I did
B
I do
C
I shall
D
I will
—Li Lin took the 8:00 bus to Fuzhou this morning.—Really? He _________ a fast train. It’s much more comfortable to travel by fast train.
#63197
A
could have taken
B
should take
C
must have taken
D
can take
— Catherine, I have cleaned the room for you . — Thanks. You_______. I could manage it myself.
#63169
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done