It is necessary that he __________for Beijing right now.A.leave B.leaves C.will leave D.left

分类: 作业答案 • 2021-12-19 20:02:26

问题描述：

It is necessary that he __________for Beijing right now.A.leave B.leaves C.will leave D.left
选什么?为什么?

答

A
necessary \ important \ natural\ vital \essential 等形容词后
要（should） + 动词原型
即,虚拟语气
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