Beforeboardingontheplaneeveryone
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问题详情:
Before boarding on the plane everyone __________ go through the security check (安检).
A. need B. may C. can D. must
【回答】
D
知识点:情态动词
题型:选择题
问题详情:
Before boarding on the plane everyone __________ go through the security check (安检).
A. need B. may C. can D. must
【回答】
D
知识点:情态动词
题型:选择题