There is something____in the street.A.happen B.happened C.happening D.happens 选什么?原因是:

问题描述:

There is something____in the street.A.happen B.happened C.happening D.happens 选什么?原因是:

答案是C 你可以这样看:1 There is something in the street.2 Something is happening in the street.现在,合并它们:There is something / something is happening in the street.现在,去掉一个something,用that替...