Explanation:
1. They have gone to China on a holiday.
2. Have you been ill?
3. We have not played a single match this year.
4. You have done something very foolish.
5. The year has been a bad one for crops.
6. He has tried to climb the mountain.
7. Kiran will have apologized for his mistake.
8. The workers have gone home to rest.
9. You have been quarrelling with your friends.
10. The great leader has inspired us to fight for freedom.