把下面两个句子改成被动态1.Mr.and Mrs.Green clean their room on

把下面两个句子改成被动态1.Mr.and Mrs.Green clean their room on

Mr.and Mrs.Green 's room are cleaned by them once a week.The cats are looked after carefully by Bill======以下答案可供参考======供参考答案1:1。Their room is cleaned by Mr.and Mrs.Green once a week. 2.The cat is looked after carefully by Bill 可以吗供参考答案2:Their room is cleaned by Mr. and Mrs. Green once a week.The cats are looked after carefully by Bill.Watered.供参考答案3:1. Their room is cleanned by Mr.and Mrs.Green once a week. 2. The cats are looked after carefully by Bill. 3. water的过去分词 watered供参考答案4:1。Their room is cleaned by Mr.and Mrs.Green once a week. 2.The cats are looked after carefully by Bill watered供参考答案5:1。Their room is cleaned by Mr.and Mrs.Green once a week. 2.The cats are looked after carefully by Bill.watered供参考答案6:1. Mr.and Mrs.Greens' room is cleaned (by themselves) once a week. 2.The cats are looked after carefully (by Bill)

这下我知道了