这句话中的must have been at least size And then a big black dude with his sneakered feet up on the seat in front of him.Rude,inconsiderate bastard in his old-school Converses that must have been at least size fourteens.

there are courses which must have been taken before levl 2这句话怎么翻译 尤其是have been taken 359.1 i think he must have been a mechanic,中的must和have been是什么词啊? I've must have been blind not to see you look away from meI've must have been blind 这句话有毛病么？ over a hundred people must have been driven away from their homes by the noise!over a hundred people must have been driven away from their homes by the noise!这句话中的结构怎么分析,其中over a hundred people 为主语,have been driven awa over a hundred people must have been driven away from their homes by the noiseover a hundred people must have been driven away from their homes by the noise!这句话中的结构怎么分析,其中over a hundred people 为主语,have been driven away have been与had been的区别?（谢瓜了）这句话中的have been解释下： must have been done must have done must have/ must have been的区别 must have been在美语中的连读这句话在句子中听到的好象是must a been,也就是说have的h和ve都省略了,请问是这样吗,请帮忙回答,谢啦. 这句话中的must have been at least size And then a big black dude with his sneakered feet up on the seat in front of him.Rude,inconsiderate bastard in his old-school Converses that must have been at least size fourteens. the boy are sweeting all over.they must have been working 这句话怎么翻译,为什么用完成进行时 your parents must have been very supportive in your early years.请翻译这句话,并说明been在这里起什么作用 He must have been dreaming为什么加ingHe must have been dreaming中的 dream为什么加ingHe was not dreaming中的 dream为什么加ing Something must been done to stop polluting.这句话对吗? i have been there (for) three times.这句话中括号中的for一定要加吗? heavy schoolbags have long been a serious problem for them这句话中的long 是什么用法 must not have been;could not have Have you been there?这句话是什么意思?