It is necessary that each student handing in a composition once a week.A、hand in

游客2023-12-30 31

问题 It is necessary that each student handing in a composition once a week.

选项 A、hand in
B、hands in
C、must hand in
D、has to hand in

答案 A

解析当“It be+形容词+that十从句”结构表达命令、号召、要求、惋惜等含义时，that引导的从句用“should+动词原形”的虚拟语气，should可省略。

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