变被动句 have you finish the letter yet

变被动句 have you finish the letter yet Have you finish the letter yet? Have you posted the letters yet?变被动语态 Have they posted the letter yet改被动 Have they posted the letter yet?改为被动语 Have you posted the letters yet?改成被动语态 Did you write the letter?变被动语态是什么? Have they posted the letter yet?改为被动语态如题 can you have the letter mailed是被动语态吗 have you ______her letter yet (receive> Have you got a letter from Tom yet?（同义句转换） They must have lost your letter in the post 怎么变被动语态