第1个回答 2010-10-21
I can't join you, because I have to help my mother with housework。答案就是这样了!
第2个回答 2010-10-21
I can't join in you because I have to help my mother in doing households.
第3个回答 2010-10-22
I can not join you,Because I have to help my mother do housework
第4个回答 2010-10-21
I can't join you, because I have to help my mother with housework
第5个回答 2010-10-21
I can't join you, because I have to help my mother with housework