把下列句子改为被动语态 I often hear Mary sing English songs at home.2.A poli_英语解答

把下列句子改为被动语态 I often hear Mary sing English songs at home.2.A policeman is running after a theif in the street.

人气：227 ℃　时间：2019-08-21 00:49:28

解答

1.Mary is often heard sing English songs at home(by me).
2.A theif is being run after by a policeman in the street.