Look!There are a lot of children playing in the ground.为什么要用playi_英语解答

Look!There are a lot of children playing in the ground.为什么要用playing而不用are playing

人气：262 ℃　时间：2019-08-20 10:03:10

解答

因为前面有 There are 所以再用一个are没有必要
There be .. doing .. 固定的用法
其实也可以把doing 看成定语. 修饰children