I think it's going to be a big problem .Yes,it would be.I wonder( )we cando about it

分类: 作业答案 • 2021-12-28 17:27:52

问题描述：

I think it's going to be a big problem .Yes,it would be.I wonder( )we cando about it
A.if B.how C.what D.that

答

if .