of和to的区别1.something to something.eg.This key is to this door

This is a key to my door.(翻译) This is the key ____ the door.A.to B.of C.at D.in like doing something 和like to do something 的区别 this is something that we should pay attention to This is a key to opening this door这句话有问题吗? i had something to eat this morning I have something to什么this evening 英语翻译1.Of course,everyone wants to do something about this un I come home,have something to talk to you say:this moment of It is time to do something.和It is time for something.有什么区别 It is time for something.和It is time to do something.有什么区别? be set to do something和be bound to do something的区别