Viết lại câu

Viết lại câu 
1The last time we saw him was on  Monday
2 John hasn't had his hair cut for over six months
3 How long have you studied medicine? 
4 We moved to this area 10 years ago
5 How long is it since you late saw Mary?
6 My father stopped smoking last year
7 How long have you been teaching at this schoo
8 We have Learnt English for 4 years
9 My father started to give up smoking last yea
10 They have worked in that factory since 2001