--It’s said that no one light a cigarette at a gas station. --- Yes. Safety always comes

发布时间:2020-08-16 10:01:32

--It’s said that no one      light a cigarette at a gas station.
--- Yes. Safety always es the first.
A. can
B. may
C. shall
D. must

网友回答

A. can
B. may
(答案→)C. shall
D. must
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