I posted the letter （改为被动语态）

I posted the letter （改为被动语态） He posted the letter two hours ago.改为被动语态 Have they posted the letter yet?改为被动语态如题 Have they posted the letter yet?改为被动语 He has posted the letters already.改为被动语态 被动语态用法a letter posted today will probably reach him the day Ted has posted the letter.(改为否定句） 将下列句子改为被动语态.SHALL WE WATER THE FLOWERS?have you posted your Have they posted the letter yet改被动 Have you posted the letters yet?变被动语态 Have you posted the letters yet?改成被动语态 He writes a letter every day.（改为被动语态）