It is necessary that she ______ to the hospital at once.A、sendB、was sentC、have

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问题 It is necessary that she ______ to the hospital at once.

选项 A、send
B、was sent
C、have been sent
D、be sent

答案 D

解析在it is necessary that...句型中，that引导的主语从句中要用虚拟语气，其构成是“should+动词原形”。

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