1/The life in the city is different from the life in the country.
-> The life in the country isn't the same as the life in the city
2/ She isn't accustomed to life in London
-> She isn't used to life in London
3/ "Don't forget to phone your mother", she told him
-> She reminded him to phone his mother
4/ The police has just released John
-> John has just been released by the police
5/ I get to work in 20 minutes
-> It takes me 20 minutes to get to work
6/ I gave Mary the message ,but she already knew about it
-> I needn't have given Mary the message, because she already knew about it
7/ I'm sorry, I was rude to you yesterday
-> I apologize for being rude to you yesterday
@linhhuong