问题 选择题

It has been announced that students _______ remain in their seats until all the papers have been collected.

A.can

B.may

C.will

D.shall

答案

答案:D

本题考查情态动词在这句话中,正确的句意应该为:学生必须留在座位上,直到所有的试卷都被收完为止。shall用作情态动词时,主语可以为第二或者第三人称,表示说话者对主语的命令、要求或者承诺等等,最符合本句的意思。而may/ can表允许;will表意愿,均不符合题意,故排除。

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