1.
1 The boys like climbing trees. Look, he is climbing a high tree now. His friends are watching him.
2 What a wonderful picture! Jack has painted it.
3 They have already been to many European countries. Last month they visited Poland and were very impressed.
4 Somebody has broken the window. They did it in the morning.
5 Please give me a pencil. I have lost mine.
6 My watch has stopped. It's something wrong with it.
7 Have you seen Mike today? Yes, I saw him after lessons.
8 What is the weather like? Is it still raining ? No, the rain has stopped.