1. He worked very hard, so he passed the exam.
→ Because he………………………………………………………………..….
2. Ha Noi is not as hot as Ho Chi Minh
→ Ho Chi Minh is ………………………………………………………………
3. We make the air dirty because we use the car all the time.
→ If we use ………………………………………………………………………
4. There are a lot of interesting programs on VTV 3
→ VTV 3 …………………………………………………….
5. It is not good if you exercise too hard and too long.
→ You shouldn’t ……………………………………………………
6. She likes travelling around Viet Nam with her family
→ She is ……………………………………………………………