—You didn't wait for Mr. Smith last night, did you?—Yes, but we ________. He didn't return home at all.
#87275
A
don't have to
B
needn't have
C
didn't need to
D
should have
推荐题目
The doctor recommended he ____ a few more days in hospital.
#87012
A
stays
B
to stay
C
stay
D
would stay
I was admitted into a famous university. My success      me pleased with myself, but I didn’t.
#86946
A
might have made
B
might make
C
should have made
D
should make
It ___ be the postman at the door. It’s only six o’clock.
#87620
A
mustn’t
B
can’t
C
won’t
D
needn’t