chuyển câu chủ đọng thành câu thụ động
1) Marry has operated Tom since 10 o'clock
2)This is the sencond time they have written to us about this
3)M.r Smith has taught us French for two years
4)They didn't look after the children properly
5)Nobody swept this street last week
mn giải hộ mk vs ạ.Cảm ơn mn trước