she often did some washing when she was young.改成否定句一般不是she often did n't do some washing when she was young.但答案为何she didn't often do some washing when she was young.
问题描述：
she often did some washing when she was young.改成否定句
一般不是she often did n't do some washing when she was young.但答案为何she didn't often do some washing when she was young.
答