把这几个句子改成疑问词+to do 的形式
问题描述：
把这几个句子改成疑问词+to do 的形式
(1)could you tell me which way i can choose?
(2)He is thinking about where he will travel.
(3)He didn't tell un when he would set out.
答
(1)could you tell me which way to choose?
(2)He is thinking about where to travel.
(3)He didn't tell un when to set out.