Doctors say that exercise is important for health, but it _______ be regular exercise.
#87072
A
can
B
will
C
must
D
may
推荐题目
—Do you think George has passed the driving test?—No. If so, he ______ his car to our college yesterday.
#86566
A
would drive
B
drove
C
would have driven
D
had driven
—What a pity! Their experiment is a failure.—They ________ better under more favorable conditions.
#86419
A
should have done
B
could have done
C
must have done
D
may have done
If she that Mary would come to see her, she would never have gone to the party.
#87024
A
had known
B
knew
C
knows
D
would know
—What happened to the young trees we planted last week?—The trees _ well, but I_ them．
#86829
A
might grow; hadn't watered
B
needn't have grown; didn't water
C
would have grown; didn't water
D
would grow; hadn't watered