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

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