Rewrite the sentence by other way

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Ex5. Rewrite the sentence by other way:
1. We started to do volunteer work in 2011.
=> We have.done.volupteer.work since 2011.
2. My family began living in Bao Loc 10 years ago.
=> My family has......
3. Nam started playing sports last year.
=> Nam has .....
4. The last time I saw my uncle was two years ago.
=> I haven't ......
..O....
5. She stopped making pottery a month ago.
=> She hasn't.....
6. He has taught these students for 3 years.
=> He began.......