Whohelpedyoucleantheroom?I
问题详情：
Who helped you clean the room? I ____ my own.
A. did on B. did it on C. helped of D. helped it of
【回答】
B
知识点：动词和动词短语
题型：选择题
问题详情：
Who helped you clean the room? I ____ my own.
A. did on B. did it on C. helped of D. helped it of
【回答】
B
知识点：动词和动词短语
题型：选择题
