you were able to contribute meaningfully towards the achievement of the task.求详解.还有思考这句话翻译的思路.另外,这句为什么词我都懂但是读不懂?是否是特殊句式?

were you able to keep them?翻译 were able to have done 新世纪英语 ____ you ____ use a digital video camera bofore you bought one?A.Can.../B.Are...able toC.Were...able toD.Will...be able to __were___you able to play the violin when you were five?为什么这个用were呀.不用could 和would呀有赏 求翻译,Were you able to get a seat in the month that you preferred to test? get hold of you requested to let us contact AAA,but we were not able to get hold of them to bo able to protect you 求英语解释part of it is just being able to say you were here makes you one of the cool kidspart of it is just being able to say you were here makes you one of the cool kids ,even if you did't go to one panel .这里的you were here 怎么个用 关于 英语中could的用法 谢谢了You could get =you would be able to getYou could speak=you were able to speak请问这两句有什么区别?多谢! Were you able _____(ride)a bilk two years ago If you were able to choose,which phase/period in the history of western civilization would you prefer to live in?Why? Everyone ( ) run away from the burning building A can B is able C was able to D were able to 1、You（ ）not able to cook last year.A、was B、are C、were2、The girls（ ）able to climb trees now.A、was B、are C、were3、Mike（ ）able to ride his bike yesterdayA、was B、were C、be4、I will（ ）able to meet you two hours late could & was/were able to do 的区别 Sorry but we were not able to close this business We _____ that you would be able to visit us.We _____ that you would be able to visit us.A.had hoped B.were hopingC.have hoped D.hoped在这里,为什么选项A比D更好? Do not you be able to Are you able to do these?