_____is a big problem.A.To get rid of these thingsB.How to get rid of these thingsC.Getting rid of these things可是为什么不选A和C?

分类: 作业答案 • 2022-01-04 12:09:15

问题描述：

_____is a big problem.
A.To get rid of these things
B.How to get rid of these things
C.Getting rid of these things
可是为什么不选A和C?

答

因为B选项表示的是“problem”而AC不是吧.