1.Tourists enjoy swimming in Bangkok.(划线部分提问)（swimming）
问题描述：
1.Tourists enjoy swimming in Bangkok.(划线部分提问)（swimming）
______ do tourists enjoy ______ in Bangkok?
2.The students enjoy playing football.(划线部分提问)（playing football）
______ do the students enjoy _____?
答
1.What do tourists enjoy doing in Bangkok?
对swimming提问,说明问的是tourists在Bangkok喜欢做什么,所以用what ...do
2.What do the students enjoy doing?
跟上面一样,问的是学生enjoy什么