题目内容：

I plan to go Beijing for a visit的同义句
My plan ____ _____ ______ and _____ Beijing
She did not help her mother do any housework untill she was fifteen
She _____ ______ help her mother do some housework ______she was fifteen

优质解答

I plan to go Beijing for a visit的同义句：
I plan to visit Beijing.

追问：

My plan ____ _____ ______ and _____ Beijing

追答：

is to go visit

追问：

还有一道，谢谢啊！ She did not help her mother do any housework untill she was fifteen She _____ ______ help her mother do some housework ______she was fifteen

追答：

started to when