you could not have asked for a better day to go to beach请翻译

you could not have asked for a better day to go to beach请翻译 The door is open.Could you have forgotten to lock the door? Yes,I_A could B could have C might have not D can not have为什么选B?求详解 could not have done 谁知道could not have I was really anxious about you.I am terribly sorry.I( )home without a wordmust not leave shoulde not have left could have left need have left 原因! In fact,you did not know they could have been have you ever heard someone speak in a language that you could not understand?完型填空 You _____ not have seen her yesterday,for she was abroad.A.must B.should C.could D.would must not have been;could not have You Could Have 歌词 why did not you tell us _____ you would arrive we could have picked you up.a.where b.what c.how d.when请求翻译及解析, 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 Could I have a cup of tea? ＿＿＿A.Yes.you couldB.No,you couldn'tC.Not,too badD.Sure,help yourself（求解析） Have you found your book yet?- No,I’m not sure ______ I could have left it.A.whetherB.whereC.whenD.why为什么? If you have made good preparation before,you ______ about the coming examination now.A would not be worried B would not have worried.C could not be worried D could not have been worried.答案是A我明白 想请教的是B 和D 出现在什么用法 Thank you for all your hard work last week,I do not think we--it without you a,can manage b,could have managed c,could manage d,can have managed选什么?为什么? 单选一题.麻烦给下解释thank you for all hard work last week.i do not think we 空it without you.a.can manage b.could have managed c.could manage d.can have managed you could not find a ture friend in the corner