文语站

位置:首页 > 习题库 > 

 Beforeboardingontheplaneeveryone

问题详情:

 Beforeboardingontheplaneeveryone

 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

标签: