1. She is excited about getting first in the competition.

2. My mother was surprised to hear that I had won a lottery.

3. I was happy to meet my close friend again.

4. He hasn't called me for a long time.

5. We haven't visited my grandparents for 3 weeks.

6. My sister has studied English for 2 years.

7. She made a decision on taking part in the talk show for young people.

Hoặc: She took a decision to take part in the talk show for young people.

8. Mark always attempts to finish his homework on time.

9. This machine is easy to be used.

10. This is the first time they have ever seen that film.

11. It is one month since Mary last saw her parents.

12. The window is difficult to be opened.

Hoặc: The window is not easy to be opened.

13. It is necessary for Ms. Smith to clean that room this afternoon.

14. We last played tennis 5 months ago.

15. Minh started an English course three weeks ago.