____ your letter,I would have started two days ago.A If I re

____ your letter,I would have started two days ago.A If I re _______ your letter,I would have started ff two days ago.AIf I started to have a headache two days ago.-How long did you Had I receivd your letter,I would have written back two days 改错I have got a letter from my brother since two days ago. I would like to teply ( ) your letter in three days I should have started skydiving a long time ago 1,____ ,I would have phoned you ,a,if I knew it b,had I know i went home two days ago现在完成时 I have started to study English since two years ago 怎么改 I borrowed the book two days ago(同义句) I ___ ____ the book __ .选择最佳答案 ( )1.I have two ____ .They're very _____.A.rabbit,sm