легкое задание
Complete with the PRESENT PERFECT CONTINUOUS form of the verb in brackets.
1. Ann ………………….. (swim) in this lake since she was a child.
2. The government ………… (try) to reduce pollution for years.
3. How long …………. (you\take) care of this injured bird?
4. Steve …………….. (not\ work) here for over 10 years.
5. The children ……….. (play) on the computer for a long time
