> 英语 >
---Peter ,please be quick.I "ll be late for the party.
---People ____ fasten the seat belt or they"ll be fined.You must do it first.
A.may B.can C.dare D.must
请详解.
人气:198 ℃ 时间:2020-05-08 00:41:23
解答
D 涉及生命问题必须用must加强语气
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