Помогите пожалуйста!!!!!!!!!!!!!!!!!!!!Present perfect simple with for or sincea Complete

Помогите пожалуйста!!!!!!!!!!!!!!!!!!!!
Present perfect simple with for or since
a Complete the sentences with for or since.
1 Pietro has been in England
since the start of the summer.
2 He has studied English.......he was seven years old.
3 His mother has been with him in England......two weeks.
4 He hasnt eaten any fi sh and chips
he arrived.
5 He hasnt had a good cup of coffee.....he left Italy.
6 He hasnt seen his friends.....a long time.