Sure, let's go through each question and explain the answers:

**Closest in meaning:**

17. **Personality** is more important than appearance.
- A. Characteristic
- B. Appearance
- C. Zodiac
- D. Date of birth

**Explanation:** The word "personality" refers to the combination of characteristics or qualities that form an individual's distinctive character. The closest word in meaning to "personality" is **A. Characteristic**.

18. I can **trust** my best friend in everything.
- A. rely on
- B. talk to
- C. listen to
- D. smile at

**Explanation:** To "trust" someone means to have confidence in them or to rely on them. The closest phrase in meaning to "trust" is **A. rely on**.

**Opposite in meaning:**

19. Nam is very **independent**. He lived by himself when he was 15 years old.
- A. free
- B. reliable
- C. dependable
- D. dependent

**Explanation:** The word "independent" means not relying on others for support. The opposite of "independent" is **D. dependent**, which means relying on someone else.

20. Ha Anh always gets up early, so she is usually **early** for school.
- A. late
- B. hard
- C. on time
- D. at work

**Explanation:** The word "early" means arriving before the expected time. The opposite of "early" is **A. late**, which means arriving after the expected time.