--that car must have cost a lot of money.--on,no._________请问否定回答用 it didn't 还是用 it can't.不过记得是这样的 must have v-ed 否定形式为：can’t / couldn’t have v-ed,为什么又用it didn't 还是与can't/couldn't hav

that car must have cost a lot of money. take a look at that car,it must have been expensive,为什么用have been?为啥不说it must be expensive? that must have done the he-----blind not to see that car cominga can hve been b will have been c may have been d must have been i think______(一定是）Jack that parked the car like that,for he is always doing so.为什么标答是it must have been 词汇题That latest car must have cost you a pretty penny. Oh,no,___词汇填空题That latest car must have cost you a pretty penny. Oh,no,___是 no,it didn't.可我觉得是 no,it hasn't .因为前面是猜测,虚拟语气 must have cost , I must have my car repaired怎么变被动 That must have been a terrifying experience.Yeah.i ____in the damaged car,unable to move.A.waswas stuck B.had been stuck must have done是对过去的假设,这句不是过去的过去吗?选B? That latest car must have cost you a pretty penny.Oh ,no,---- it ,didn`t.是不是虚拟语气的否定回答呢,must have done,要一一的去掉后剩下过去式cost ,所以要用过去式?、 that lastest car must have cost you a pretty penny ,oh no_a it didn't b it mustn't c it hasn't d it must haven't求详解106.43（与题无关） i must have my car repaired 为什么要加 have?P 178 i must have my car repaired.这个句子为什么需要用完成时呢为什么不直接用i must have my car repair? I parked my car right here but now it's gone.It ____ .A must have been stolen B must have stolenC may be stolenD must be stolen --that car must have cost a lot of money.--on,no._________请问否定回答用 it didn't 还是用 it can't.不过记得是这样的 must have v-ed 否定形式为：can’t / couldn’t have v-ed,为什么又用it didn't 还是与can't/couldn't hav colour ,the,father's,black,that,must,likes,he,be,your,because,car 连词成句 i believed that we must have a happy future 1.it was only a moment ago ___be went in a red car.A,until B.that c.before D.when 2.i didn't hear my father coming back last night .i ___asleep.A.must be B.must have fallen C.couldn't be D.could have fallen这个题我选的A 3.would you like to set must have