The audience often------ the hall in twos and threes

问题描述:

The audience often------ the hall in twos and threes
A coming into B comes into C come intoD come in
答案+原因谢了

C.进入一个地方的动态过程用into,audience是集体名词,动词不加s.often限定是一般现在时,所以用come