Changjiang is the longest river in China.(划线部分提问）快划Changjiang
问题描述：
Changjiang is the longest river in China.(划线部分提问）
快
划Changjiang
答
Which is the longest river in China?
只要把划线部分去掉，加上一个合适的特殊疑问词，其他照抄就好了
答
which river is the longest river in China？
答
Which is the longest river in China?
答
你划 了哪儿 啊？