将下列句子改为被动语态:1.we asked him to sing an english song2.she gave me a phrasebook3.young people should speak to old men politely4.her father makes the girl stay at home 5.we heard them sing peking opera in the theatre...↖(^ω^)↗
问题描述：
将下列句子改为被动语态:1.we asked him to sing an english song
2.she gave me a phrasebook
3.young people should speak to old men politely
4.her father makes the girl stay at home
5.we heard them sing peking opera in the theatre
...↖(^ω^)↗
答