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.

２．Ａ.