____A___ great number of people visit the Palace Museum every day.

问题描述:

____A___ great number of people visit the Palace Museum every day.
其中还有一个选项是There are a
即:___There are a____ great number of people visit the Palace Museum every day.
这句话怎么不对?

一个句子不能有2个谓语动词.
There are a great number of people visit the Palace Museum every day.里有be动词are,还有visit,所以,不对.