题目内容
It is written clearly in the requirements that all passengers check onto board thirty minutes before the plane takes off.
A.may B.can C.will D.shall
【答案】
D
【解析】略
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题目内容
It is written clearly in the requirements that all passengers check onto board thirty minutes before the plane takes off.
A.may B.can C.will D.shall
D
【解析】略