区别be going to,be about to,be doing,be to
be going to,be about to,be doing 的区别
区别be going to,be about to,be doing,be to
将来时态的区别be going to;will do;be doing;be to do;be about to do
be about to,be to,be going to,be able to的区别
be going to 与be about to 区别
be about to do和be about doing 区别
be going to do 和be doing用法的区别?
be doing和be going to do的区别
be doing和be going to的区别和用法!
be doing与be going to do有什么区别?
will,be going to,be doing用于一般将来时的区别
be doing be is going to will用法的区别