I donnot think three days is enough for such a trip.为什么是is呢?老师说three days 是...I donnot think three days is enough for such a trip.为什么是is呢?老师说three days 是概念,不是指天数.但我不懂.求详解

I donnot think three days is enough for such a trip.为什么是is呢?老师说three days 是...I donnot think three days is enough for such a trip.为什么是is呢?老师说three days 是概念,不是指天数.但我不懂.求详解 it I think is hard donnot 连词成句 I donnot think he is right.what --you ----[think]of ------[help]him?.what- what.I.mind.people.of.me.young.donnot.think连词成句 You donnot have to -------(choice)between these two televisions,they are almost the same ,I think. Donnot worry i will sleep () you This is me?Does my dream can come true?I donnot know?I think l can do it well!翻译成中文的意思 after a long walk,the boy ＿＿（final）went home with his fatherhe is so lazy ——＿＿ A i think soB i donnot think soC i agree with you D all the above I think he ______(finish) his homework three hours ago I miss you ,but ,you donnot know ,laugh or cry ,I donnot know ,I need nothing ,but,I wish you . i donnot know (what还是how)to cook for dinner We donnot have a bag.变成肯定句 We play soccer.变为祈使句No，I donnot 什么Peter have one？ The math exam was very easy,was not it?Yes,but i donnot think----can pass it.A.someday B,everybodyC.anybodyD.nobody此题选A还是B, Love can build a bridge,between your heart and mine.Donnot you think it`s time Donnot you think it is time you gave up smoking?为什么要用gave呢? what do you think of the cars on the exhibition?What do you think of the cars on the exhibition?----Well ,great,But I donnot think much of ____you have bought.A.that B.the one 选a为什么不能选b?打错了是选b为什么不能选a the one代单 I think three will be more tall buildings And three will de fewer cars and more buses I want to go to the park ,but I donnot know the ( ) of the ticket.Donnot worry .It is freeA time B place C price D way