Ex2:
1. Is _ are
2.
3. Old- 0
4. Ago-0
5. But- or
6.
Ex1:
1. Hoa thinks mountain climbing is more many challenging than collecting things
2. I find carving eggshells unusual because it's very fragile
3. He took this hobby when he was came back home last week
8. She is very interested in going the art gallery with her friend.
9. My friend doesn't like watching horror films and I don't either
10. Many trees and flowers are take care of by Mr Nam