---Dad, must we wait until the light becomes green?---Yes, I’m afraid we ______. That’s the traffic rule.
#75458
A
can
B
may
C
have to
D
need
推荐题目
David, you _____play with the valuable bottle; you_______ break it.
#62983
A
won’t; can’t
B
mustn’t; may
C
shouldn’t; must
D
can’t; shouldn’t
 It was very kind of you to do the washing-up but you _____ it
#62541
A
needn’t do
B
shouldn’t do
C
mustn’t have done
D
needn’t have done