专四

单选题It is necessary that he __________ the assignment without delay.

A.hand in 
B.hands in 
C.must hand .in 
D.has to hand in

参考答案:A进入在线模考
【译文】他必须按时交作业,不得拖延。
【解析】考查的是虚拟语气。在“It+be+a+that”从句中,that引导的主语从句谓语动词常用should+动词原形。用于该句型的形容词有necessary,good,important,right,wrong,better,natural,proper,funny,strange,surprising等。

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