I. COMPLETE THE SENTENCES:
1. I like to do volunteer work because ................
2. They choose to learn E because of opportunities it may bring.
They choose to learn E because .............................
3. My uncle has moved DN because of his job.
My uncle has moved DN because ..................................
4. The train was late because the fog was thick.
Because of ..................................
5. The plane couldn't take off because the weather was bad.
Because of ...............................
6. She stay at home because her mother was sick.
Because of ......................
7. All the teachers love him because his conduct is good.
Because of .........................
8. Don't read or study when there's not enough light beacause .........................
 II. FIND AND CORRECT A MISTAKE:
1. Don't hate people because it can make you tiring.
2. Do you like working with the elderly peole or with children?
3. How many is this book? - It is 20,000 dong.
4. He left school because of his life was hard.
III. REWRITE:
1. I started playing soccer 5 years ago.
I have ...............................
2. Nam is 15. Ba is 17. Quang is 18 years old.
Quang is ...........................................................................
Nam is ..............................................................................................