Even a drop of water ______because it is so important to all the living things.
#76903
A
must waste
B
must be wasted
C
mustn’t waste
D
mustn’t be wasted
推荐题目
—Peter doesn’t mind lending you his camera.—He __________. I’ve already borrowed one.
#78022
A
needn’t
B
can’t
C
mustn’t
D
shouldn’t
My sister met him at the street yesterday afternoon, so he __________ your lecture.
#63076
A
shouldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
couldn’t have attended
Don’t use water to put out the fire if oil catches fire. As is known, oil ____ float on water.
#63170
A
shall
B
must
C
may
D
will
Tom________tell the truth to his boss because he didn't want to make trouble.
#62204
A
daren't to
B
dare to
C
dared not
D
dare