---Dad, must we wait until the light becomes green?---Yes,I’m afraid we      .That’s the traffic rule.
#74656
A
can
B
may
C
have to
D
need
推荐题目
 —Did you ask Tom for help?—I ________. —I managed perfectly well on my own.
#62620
A
needn’t have
B
don’t need to
C
didn’t need to
D
needn’t
I’m feeling much better now so you ______ call the doctor.
#78333
A
couldn’t
B
wouldn’t
C
can’t
D
needn’t
— No wonder you caught a cold. You __________ out last night without a coat. — I know how silly I was.
#63493
A
should have gone
B
shouldn’t have gone
C
can’t have gone
D
mustn’t have gone
 —________I complete so much my homework now?— No, you ________.You can do it after supper.
#74934
A
May; ought not to
B
Should; can’t
C
Can; mustn’t
D
Must; needn’t