---- May I smoke here?--- If you      , choose a seat in the smoking section.
#62982
A
should
B
could
C
must
D
may
推荐题目
The doctor said he _______ an operation yet.
#75873
A
need
B
needn’t
C
needed not
D
didn’t need
My sister met him at the Grand Theatre yesterday afternoon,so he ________ your lecture.
#62507
A
couldn't have attended
B
needn't have attended
C
mustn't have attended
D
shouldn't have attended
—Do you want to play basketball after school, Jack?—   . I have to practice my English.
#75426
A
Yes, I do
B
Let’s go
C
Sounds great
D
Sorry, I’m busy