All the clothes donated by the citizens need cleaning thoroughly before being se
题型:不详难度:来源:
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 |
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答案
B |
解析
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。 |
举一反三
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