1. It is 100,000 dong
2. I will press thr start button
3. I play tennis every afternoon
4. They are 8 years old
5. For 2 months
6. About 2 hours
7. It is about one kilometers
8. I feel more comfortable
9. I need 20 envelops
10. They arrive too late to do something
4. Yes, we will
5. Yes, they can
6. Yes, it is
7. No, I didn't
8. No, I don't
9. Yes, i have
10. No, they will not
