I. Each sentence has a mistake. Find it and correct it.
1. The puppets made of wood and then painted.
--> ............................................
2. Lan writes that letter to do an invitation.
--> ............................................
3. I want to talk for 10 seconds about my favourite hobby.
--> ............................................
4. A good know of English is very useful in our modern life.
--> ............................................
5. Children are made working hard at school and at home as well.
--> ............................................
6. My father works for a volunteer in my country.
--> ............................................
1. The puppets made of wood and then painted.
--> The puppets are made of wood and then painted.
2. Lan writes that letter to do an invitation.
--> Lan writes that letter to make an invitation.
3. I want to talk for 10 seconds about my favorite hobby.
--> I want to talk in 10 seconds about my favorite hobby
4. A good know of English is very useful in our modern life.
--> A good knowledge of English is very useful in our modern life.
5. Children are made working hard at school and at home as well.
--> Children are made by working hard at school and at home as well.
6. My father works for a volunteer in my country.
--> My father works as a volunteer in my country.
