I asked my mother for some writing paper.She bought some in the stationary last week.

问题描述:

I asked my mother for some writing paper.She bought some in the stationary last week.
改写为含定语从句的主从复合句
I met the old woman again.I helped her cross the street the
day before yesterday.
5.I often go to the park.I can take a walk in the park.

I asked my mother for some writing paper which she bought in the stationary last week.