BeforetheG20LeadersSummit,somefactoriesinHangzhoufollow...

问题详情：

Before the G20 Leaders Summit, some factories in Hangzhou followed the government’s requirement that they ______ their production to temporarily (暂时) reduce air pollution.

   A. stopped                      B. must stop                 C. stop                         D. might stop

【回答】

C

知识点：虚拟语气与情态动词

题型：选择题