引用:
原帖由 xiangxiangmama 于 2007-12-15 15:13 发表 
mary ofen helps mother do some housework。(保持原意)
mary ------ ------- ------ mother ------- housework。
( )My brother -----a tree.
Iam sorry to hear that.
a fell from b fall off c ...
1.mary often help her mother with housework
2.什么意思看不懂.