be going to do和be doing和want to do 三者之间的区别
be going to do和be doing和want to do 三者之间的区别
will be 和will be doing 和be going to do 三者区别.
be going to do 和be doing用法的区别?
be doing和be going to do的区别
be going to do和be doing的区别,急,
be to do和be going to do的区别
be doing 和will do 和be going to do 的区别
be going to和be going to do的区别?
be going to表将来、be doing表将来和will/shall+do三者间的区别
be careful doing和be careful to do的区别?
be easy to do和 be easy doing 的区别
be afraid to do 和 be afraid doing 的区别?