为什么不能说i have a best friend,his name is Tom

为什么不能说i have a best friend,his name is Tom I have a best 为什么说I have a bag 却不能说I am have a bag同志们,谢啦 ——I fail again! ——Why not explain___you have done your best?A.him B.him thatC.that D.to him为什么不能选C? i have no feet 改成 i am HAVE NOT feet 顺便说下为什么不能， I have no time为什么不能说i have not time? I HAVE A CHOICE TO CHOOSE..与..为什么不能说I HAVE A CHOICE TO BE CHOSE 什么时候可以用STH TO BE DONE呢? I have a headache能不能说成I have a sore headI have a headache能不能说成I have a sore head回答能或不能 I have a dream,which I will try my best I have a dream,which I will try my best This is one of the best films________this yearA which has been shown B that have been shown请教为什么不能选A（答案是B)看了答案是说与被动语态有关，不知能否也说明一下 may I have your order为什么不能说what do you want I have request foe a cake怎么翻译 为什么要用have呢 为什么不能直接 i requeset呢? From today.I do my best to have a change. You are I have run into a best gir I think I had best have your opinion first.中为什么有用have I have a best friend.这句话用best合适吗? i think that i have one best friend enough.这句话这么说对吗?