____,he asked the teacher .为什么选BA.Not knew how to do B. Not knowing what to do C.Didn't know what to do D. Because not know how to do it.

分类: 作业答案 • 2022-07-06 14:00:36

问题描述：

____,he asked the teacher .为什么选B
A.Not knew how to do B. Not knowing what to do C.Didn't know what to do D. Because not know how to do it.

答

分词作状语的结构,否定形式在前面加上not