It is necessary that a person______exercises every day if he wishes to be healthy.

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问题 It is necessary that a person______exercises every day if he wishes to be healthy.

选项 A、do
B、does
C、did
D、must do

答案A

解析句意：想要保持健康，每天做运动很有必要。虚拟语气题。在句型“It is necessary that…”结构中，从句的动词需要用虚拟语气，即“(should)+动词原形”，should可省略。故选A。

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英语

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