what are you doing with/to sth.的区别
what are you doing with/to sth.的区别
what do you say to doing sth
what are you doing和what you are doing区别
what are you doing to
have problems with to do sth 和doing sth 区别
what are you going to do和what are you doing now有什么区别?
would you mind to do sth和 would you mind doing sth的区别
what are you doing?和what do you doing?有什么具体的区别?
What are you doing?和What is you doing?有什么区别?都是正确的吗?
continue doing sth.与continue with sth.的区别
with sb to do/doing sth 有什么区别
what are you doing和what are you going的区别