Ex 9: 1, I haven't played violin for 2 years
2, The team hasn't won for a long time
3, She hasn't done charity for 2 years
4, I haven't written a letter for 5years
5, My father hasn't smoke since 2014
6, I haven't donated my blood for 7 months
7, How long have you done charity work?
8, She hasn't involved in community service for 2 months
9, She has worked as an activist since she was 20 years old
10, My best friend hasn't eaten fast food since last year
Ex 10: 1, The last time I learned English was 10 years ago
2, The last time we met was a long time ago
3, The last time Mrs. Ann took part in some voluntary programs was 4 years ago
4, The last time I met my family was last Chrismas
5, When did you started living there?
6, The volunteers began providing free food and fresh water to homeless people yesterday
7, The doctor started quitting his job in the local hospital and moving to the central hospital 2 days ago