英语请教when i decided to give up you,i cried和when i decide to give up you ,i cry两者的区别,别简单的说一个是过去时,一个是现在时,翻译并根据这两句讲下时态用法?

i haven't decided when ___（take）a holiday yet I haven't decided when––（take）holiday yet. I haven't decided when to leave for shanghai 同义句 I haven't decided when we went to the Happy Valley这个句子哪里错了? 英语请教when i decided to give up you,i cried和when i decide to give up you ,i cry两者的区别,别简单的说一个是过去时,一个是现在时,翻译并根据这两句讲下时态用法? I don't know when I'll finish请教我一下这句话的语法. T-T英语哒题目I haven't decided which plane I shall take to Beijing.(保持原句意思)I haven't decided which plane _____ ______ to Beijing. 定语从句判断：That's when I decided to change. THAT'S WHEN I DECIDED TO CHANGE是什么从句 请教一题高三英语题:)---You should have thanked her before you left.---I meant _________ ,but when I was leaving I couldn't find her anywhere.A to do B to C doing D doing so ____to have the sport meeting_____.A.when; hasn't decided B.when;isn't decided C.If;isn't decided1.___to have the sport meeting_____.A.when; hasn't decided B.when;isn't decided C.If;isn't decided D.where;hasn't decided 为什么答案是B 不是A或D I have decided when I will start.对when I will start 提问 一道英语短文改错题Last Sunday morning when I got up,to me great surprise,1.________I found that we had a big snowfall.I was very excited because 2.________it was a long time that I had ever seen such a heavy snowfall.3.________So I decided t 初高中衔接英语选择题1.It_________whether our school will buy a computer for each teacher.A.is not decided B.hasn't decided C.doesn't decided D.haven't been decided E.hasn't been decided2.-Where is the CD-ROM?I clearly When and where to build the new factory ____yet.用isn't decided还是aren't decided As far as I know,when and where to give the concert( ) yet.A.hasn't decided B.have not been decided C.is not being decided D.is not decided答案为什么是D?我觉得应该是B,现在完成时啊,有yet -how's your project?i heard you started it last night -i__for it ,but i haven't decided when to do-how's your project?i heard you started it last night -i__for it ,but i haven't decided when to do it为啥天的事have been preparing?不应该是have 英语主语从句问题It hasn't been decided whether he'll come or not.想问可以把whether换成when吗!为什么?