摘要：30．-May I smoke here? -If you , choose a seat in the smoking section． A．must B．may C．should D．could
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—May I smoke here?
—If you ______, choose a seat in the smoking section．
A．should B．could C．may D．must
查看习题详情和答案>>—May I smoke here? —If you _____, choose a seat in the smoking section.
| A．should | B．could | C．may | D．must |
---- May I smoke here?
--- If you , choose a seat in the smoking section.
| A．should | B．could | C．must | D．may |