英语be going to do还是doing
英语be going to do还是doing
be going to 等于什么? be going to doing 还是 to do?
will be doing,be going to do,will do ,有什么差别?be going to leav
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 doing与be going to do有什么区别?
be going to do和be doing的区别,急,
be going to,be doing,will do有什么区别
be found+doing还是to do?
be addicted to do还是doing?
be worth to do 还是doing