be going to 等于什么? be going to doing 还是 to do?
be going to 等于什么? be going to doing 还是 to do?
英语be going to do还是doing
will be doing,be going to do,will do ,有什么差别?be going to leav
be doing与be going to do有什么区别?
be going to,be doing,will do有什么区别
be to do.be going to do.be doing.will do.有什么区别?
gonna到底是等于going to 还是be going to
will,be going to do,be doing表将来
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 going to do,will be,be doing三种用来表示未来时有什么差别?