Many a customer ________ about the poor quality of the washing machines.A、complainsB、complainC、are complainingD、have complained选什么 ,为什么?

问题描述:

Many a customer ________ about the poor quality of the washing machines.
A、complains
B、complain
C、are complaining
D、have complained
选什么 ,为什么?

A
many a = many 根据所接名词的单、复数决定谓语动词的单复数形式

答案选 A、complains
这是主谓一致中的"表里不一"现象,"many a +名词"作主语时,从意义上看是复数,但谓语动词常用单数.