It is necessary that a student______his lesson before coming to class.A、will pre

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问题 It is necessary that a student______his lesson before coming to class.

选项 A、will prepare
B、prepares
C、must prepare
D、prepare

答案 D

解析 It is necessary that后面要用虚拟语气。所以选D。D选项等价于should prepare。

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