改被动语态 一句We asked Mary to play the piano for us.

改被动语态 一句We asked Mary to play the piano for us. what shall we do 改被动语态 初中英语1句 改被动语态the policemen are asking the bank robber a lot of questiona now.改被动语态the bank robber ____ ____ asked a lot of questiona now. 改被动语态 we must keep our classroom clean改被动语态 We should keep our room clean 改被动语态 We should piant trees in spring.改被动语态? we should make use of time to study 该成被动语态两句 怎么改 谢谢 被动句改主动句.Wang Lin was elected monitor in the class.改为主动语态怎么改.We elected.速求. We will visit the Great Wall next week,这句可以改被动语态吗?如果可以的话要怎么改? We asked she to sing a song （改为被动语态） We have asked visitors to keep the beauty spot tidy and clean变成被动语态 帮忙解题 改被动语态 英语中主动语态改被动语态,哪些主语(如people)改成被动句的时候可以省略? Someone parked an old car outside the concert hall 这句怎样改被动语态,知道请回答,还有一句：Someone cleans the first floor of the building everyday也改成被动语态, 英语改句 改成 被动语态We always raise our national flag before morning exercises.Our national flag ______ always ______ before morning exercises. We are not allowed to smoke here、被动语态,可以改成主动语态么?怎么改.还有这一句可以改成we can't smoke here么?语法上能成立么?跟上面那句有什么区别? 几句被动语态 请把原句改成被动语态 1.They asked me to speak at the meeting2.l saw the car hit into the post3.We consider him to be the best singer4.They had to think over these questions5.We should take advantage of this opportunity6.P