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 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。