1. Answer the questions: 1. What is Earth Day?2. How old is a tree in Wales?3. What do people do on Earth Day?​

1. We  have taken  (to take) a lot of pictures for our album this year.
2. He  has left (to leave) for London, we won't see him for a month.
3. I have read  (to read) this story twice; it's very interesting.
4. The weather has changed  (to change) greatly; it's so cold now.
5. We  have bought (to buy) Granny a nice present for her birthday. We think she will like it.
6. It  will be (to be) very warm in Yerevan this week.
7. Where's the picture? I have given (to give) it to Bob.
8. Jane isn't at home now. She  has gone  (to go) to the playground.
9. They  have done (to do) all their work. They are free to play now.
10. Look! Somebody  is breaking (to break) the window.