in the school regulation that students shouldn’t use cell phones in the campus．A. What re

发布时间：2020-08-16 09:05:58


     in the school regulation that students shouldn’t use cell phones in the campus． 
A. What requires
B. What is required
C. It requires
D. It is required

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A. What requires
B. What is required
C. It requires
(答案→)D. It is required
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