They ___out of the reading-room .A.needn't B.can't take C.mustn't be taken D.can be taken
问题描述:
They ___out of the reading-room .A.needn't B.can't take C.mustn't be taken D.can be taken
答
C.mustn't be taken
情景中
they代指书籍等
他们不能被带出阅览室
选被动语态
AB排除
图书馆中书籍是不许带出的
固D排除
选C
情态动词被动语态
情态动词 be done的形式
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