Раскрой скобки, поставив глагол в нужной форме: 1. she (do) regular exercise since 5 years. 2. they (play) computer games for 2 hours. 3. i (keep) fit for 3 years. 4. my parents (walk) in the park for an hour. 5. we (write) test since 10 am.

1. She has been doing regular exercise since she was 5 years old.
2. They have been playing computer games for 2 hours.
3. I have been keeping fit for 3 years.
4. My parents have been walking in the park for an hour.
5. We have been writing the test since 10 am.