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All the clothes donated by the citizens need cleaning thoroughly before being se

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All the clothes donated by the citizens need cleaning thoroughly before being se

All the clothes donated by the citizens need cleaning thoroughly before being sent to the earth-stricken area, ______ ?

A.needn’t they

B.don’t they

C.didn’t they

D.shouldn’t they

试题答案

B

带有定语从句,宾语从句的主从复合句,疑问部分谓语根据主句的谓语而定。这里谓语是need需要,实意动词,一般现在时,主语为复数,故选B。