14.The old man didn’t know _______ when the house caught fire .A.what to do it B.how to do C.how to do it D.what to do 选哪个为什么

分类: 作业答案 • 2021-12-19 16:20:08

问题描述：

14.The old man didn’t know _______ when the house caught fire .
A.what to do it B.how to do C.how to do it D.what to do 选哪个为什么

答

14.The old man didn’t know _______ when the house caught fire .A.what to do it B.how to do C.how to do it D.what to do 选哪个 为什么