I have finished typing all ----the last year′s A until B but C to D for选哪一个,为什么?

I have just finished it i have finished可否省略have I have finished the essay at last. I have finished my homework.反义疑问句 I won't lend you the book before I have finished it.为什么用have finished 请问这句应该是have finished还是finished?The moment I （have） finished I’ll give you a call. I have already finished homework.have可以不要吗? Have you finished your homework Yes,I __it in twenty minutes.选 A.have finished 还是 B.finished 为什么? i have finished my homework,为什麼不i had? I have finished my homework before I ______(leave). 可是说i am finished吗?为什么是finished?这是什么时态?跟i have finished有什么差别? I have already finished my homework.(变否定句) I _____ finished my homework ______. I have finished my homework.和“I finished my homework.有区别吗? I have finished my homework.可否这么说 I finished my homework.为什么 i am finished和i have finished倒底一样不一样 i'm finished it i have finished it的区别是什么 ( ) you( ) your homework?yes,I finished it an hour ago.A did finish B have finished C.had finished I have finished my home WORK .对 finished my home WORK.进行提问?该怎么说