Here are the correct answers for each question:

**Question 20:** I (not try) ___ hot food before. It is quite strange to me.
**Answer:** D. haven't tried

**Question 21:** He (start) ___ driving to work 2 months ago because he (buy) ___ a car.
**Answer:** C. started – has bought

**Question 22:** Minh and I _____ volleyball yesterday.
**Answer:** A. played