I haven't decide if I should go to Africa(同意转换)

I haven't decide if I should go to Africa(同意转换) We haven't decide ___ to go to Beijing(whether,if) I haven‘t do 和I didn’t do 的区别.比如说，I didn‘t decide和I haven’t decided。 I haven't decide whtn to go shopping对吗?如果错了那该是什么? Where are you going for the coming holiday?Oh,I ___ yet A didn't decide B haven't C won't decide Dhadn't decided if i didn't met you和if i haven't met you 的区别是? I haven't decided if I will leave for Beijing tomorrow.l haven't decided ----I haven't decided if I will leave for Beijing tomorrow.l haven't decided ------- ------- leave for Beijing tomorrow. I haven't made i haven't been happy if i hadn't met you befor 句子通顺吗 I can't decide if I can join in your party tomorrow同义句I can't decide() I can join in your party tomarrow ()() 请翻译；i'm sorry ,if i hurt you.i haven't meant to I decide Don't smoking I Can't Decide 歌词 I Can'T Decide 歌词 I haven't decided if i hand in the money to my teacher.同义句 -Where would you like to spend your summer vacation?-I haven't decide yet.I ___visit my grandparents.A.shall.B.must.C.may.D.need. I haven't liked you I haven't a bean.