I don't know_______ to help him. A. how should we do B. what we s_英语解答

I don't know_______ to help him. A. how should we do B. what we should do C. what should we do

人气：450 ℃　时间：2019-08-25 06:10:09

解答

B.有了do就不用how,do后加名词所以用what 又为宾语从句,所以陈述句语序