be going to do、be about to do、be to do,这三者有什么区别?
be going to do、be about to do、be to do,这三者有什么区别?
be to do,be going to do,will do,be about to do的区别.
be to do be about to do 有什么区别
将来时态的区别be going to;will do;be doing;be to do;be about to do
be to do.be going to do.be doing.will do.有什么区别?
be to do和be going to do的区别
be about to do
be to do & be about to do的区别
will do sth, be about to do sth, be to do sth, be going to d
be about to do 和be going to do的区别?
be doing与be going to do有什么区别?
be going to,be doing,will do有什么区别