练习：请把下列主动句变为被动句 1 The woman asked the policeman for help. 2 The old man on TV tells a story on Sunday. 3 Do they use the box as a table? 4 She sent me a collection last week. 5 The teacher doesnt teach us math this term.,6 Did Lily buy her sister a hat? 7 We often hear him play the violin at home. 8 The lazy boy didnt wash clothes yesterday. Students listen to the kind teacher carefully. When did your father took you to the park.,