Have you posted the letters yet?改成被动语态

Have you posted the letters yet?改成被动语态 Have you posted the letters yet?变被动语态 Have they posted the letter yet?改为被动语态如题 He has posted the letters already.改为被动语态 Have they posted the letter yet改被动 Have they posted the letter yet?改为被动语 问如何改成被动语态呢betty has posted five letters 将下列句子改为被动语态.SHALL WE WATER THE FLOWERS?have you posted your 改成被动语态Did the noise frighten you?They have told us the story He posted the letter two hours ago.改为被动语态 I posted the letter （改为被动语态） 英语被动语态改成被动语态1 He is cleaning the classroom2 They have finish