--you didn`t wait for Mr.black last night,did you?--No,but we____.He didn`t return home at allA.couldn`t have B.needn`t have C.didn`t need to D.shouldn`t have

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--youdidn`twaitforMr.blacklastnight,didyou?--No,butwe____.Hedidn`treturnhomeatallA.couldn`thaveB.nee

--you didn`t wait for Mr.black last night,did you?--No,but we____.He didn`t return home at allA.couldn`t have B.needn`t have C.didn`t need to D.shouldn`t have
--you didn`t wait for Mr.black last night,did you?--No,but we____.He didn`t return home at all
A.couldn`t have B.needn`t have C.didn`t need to D.shouldn`t have

--you didn`t wait for Mr.black last night,did you?--No,but we____.He didn`t return home at allA.couldn`t have B.needn`t have C.didn`t need to D.shouldn`t have
选B.表示的没必要做反而做了的意思,句子的意思是昨天晚上你是不是没有等布莱克先生,回答的是是的,其实我们根本没有必要这样做,因为他根本没有回来.
A 表示的是一种推断,也表示本可能做却没做
C就不说了,、
D本不应该做而做了

D.shouldn`t have本来不该等待,因为他根本没有回家,可是我们却等了。

选B needn't是不需要的意思 (你昨晚没有等布莱克先生对吗——没有 但是我们也不需要等他 他根本就不回来)A是没办法等 C不符合英语实用的习惯 D是我们本不该等,而他们根本就没等,所以也不对。 答案是B答案是C.—————————didn`t need to do 过去没必要做实际上也没做needn't没必要做但做了...

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选B needn't是不需要的意思 (你昨晚没有等布莱克先生对吗——没有 但是我们也不需要等他 他根本就不回来)A是没办法等 C不符合英语实用的习惯 D是我们本不该等,而他们根本就没等,所以也不对。 答案是B

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选C。
回答补充完整应为No,we didn't wait for him last night, but we didn't need to. He didn't ....
1. 回答部分no 与didn't 前后一致,也就是说“我没等(事实)”。
2. didn't need to 表示不必做,事实也没做。
3. needn't have (done) 表示本不...

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选C。
回答补充完整应为No,we didn't wait for him last night, but we didn't need to. He didn't ....
1. 回答部分no 与didn't 前后一致,也就是说“我没等(事实)”。
2. didn't need to 表示不必做,事实也没做。
3. needn't have (done) 表示本不必做而事实却做了。
4. 原句翻译:
--昨晚你们没等史密斯先生,是吗?
--是的,我们没等,但我们也不必等,他根本就没回家。

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题目的关键在No这个回答上,要学会把它补全来看,No, we didn't wait for Mr black last night, but we didn't need to .表示事实没有必要去等(我们也没有等)

49.——You didn't wait for Mr.Black last night,did you?——No,but we ____.He didn't retur详解49.——You didn't wait for Mr.Black last night,did you?——No,but we ____.He didn't return home at all.A.couldn't have B.needn't have C.didn't need --you didn`t wait for Mr.black last night,did you?--No,but we____.He didn`t return home at allA.couldn`t have B.needn`t have C.didn`t need to D.shouldn`t have Don't wait until I disappear just remind of me,I didn't think so willing to leave you 急用 you just fo youself!don't you know Don't you think I like to wait So,if you didn't show up a long time ,I will go and angry 有关情态动词虚拟语气等——You didn't wait for Mr.Black last night,did you?——No,but we_.He didn't return home at all.A.couldn't have B.needn't haveC.didn't need to D.should have wait说出选项并讲的详细一些,我就是不太 I dosen't feeling fo you中文意思是什么 Why Didn'T You 歌词 didnt you的意思 改错:1、She told us don't to call him this moring.2、She didn't wait for you until you came back 2、She didn't wait for you until you came back yesterday.3、He was very pleased to the present. 咩意思?I could be everything you need say' what you wanna hear So don't say sorry How long I have to wait I could be everything you need change' if you want to see So don't say sorry Baby take me away Sorry,OH Baby can't you see What can you do fo i can't wait to see you We can't wait to see you For gives you can't wait to I can't wait -------(see)you Can't wait to see you you can,t wait here改为祈使句 I don't expect you to wait.