51.we have not had so cold a day for a few weeks这句话怎么翻译比较好?麻烦帮看一下,

If we had not got everything ready by now ,we (have)__a terrible time tomorrow Yesterday Imet Sandy .We _ each other since _ middle school.A.have not seen ;finishedB.have not seen ;finishingC.had not seen ;finishedD.had not seen ;finishing If it _ for the rain,we _ the picnic yesterday.A were not; could have hadB were not; could haveC had not been; could have had we have not 缩写 So far,we not _____(have)a reply.答案为什么是have not had啊?we 后面能加not吗？ we have not had to fight for many yeas against ous enemies.求翻译 请问这个句子对吗?they had informed us,we would not have came here now “I just miss once,but forgot that we have not had their -We have kept the promise,do not know when,had vanished. so far ,we have not had a replay 分析一下语态 句子成分 we would have finished our task if you had had not delayed your job.检查虚拟语气语法对不对?we would have finished our task if you had had not delayed your job, 英语翻译In a blog post,Google said It's clear from conversations we have had with Chinese government officials that they find the redirect unacceptable -- and that if we continue redirecting users our Internet Content Provider license will not b ______for the leadership of the Party,we should not have succesedA Had not it been B Had it not been C There was D Is there if we（） adequate preparations,the conference would not have been so successful为什么要填had not made? ＿for their help ,we would not have overcome the difficultiesa were not b had it not been c had not it been d had it been not 为什么不选c ---for their help ,we would not have overcome yhe diffculties.a were not b had it not been c had not it been d had it been not 为什么不选c请详解 51.we have not had so cold a day for a few weeks这句话怎么翻译比较好?麻烦帮看一下, You ___ better ____ in the river.It's too dangerous.A.have;to swimB.had;not swimC.have;not swimimgD.had;swim