首页 > 中学英语试题 > 题目详情
----What’s the matter with you and your friend? ----She looks very busy. I want to help her, but I d...
题目内容：
----What’s the matter with you and your friend?
----She looks very busy. I want to help her, but I don’t know _____.
A. how to do B. what to do it
C. what to do D. why to do
本题链接：