actor后面为什么加an我急要

actor后面为什么加an我急要 英语的actor为什么后面要加or 为什么actor和musician在同一个句子里,一个要加an,一个要加a? i want to be an actor为什么要加to be actor的单数是加a还是加an. I want me to be an actor.否定句为什么不在前to be前加NOT actor和actress前面加a还是an 那些单词虽然后面接动词不定式,但是否定式在前面动词前加don't(doesn;t,didn't）比如I want to be an actor.不写I want not to be an actor.写I don'tvwant to be an actor. the actor and director后面为什么用is 一份邀请 an invitation to 后面为什么要加to? it was an.后面为什么加动词过去式 Mike likes the actor Rick Smith为什么要加the Her father is an actor为什么不是a是an捏? Mary became an actor when she was four(对划线部分提问) ____ ____ Mary ____ an actor?when she was four下加下划线 I want to be an actor to like my dad.actor后面应该是lke的什么形式like或to like或likes He wants to be an actor 对an actor 提问 My uncie is an actor.对an actor提问 用an actor air造句,