Here are the answers to the multiple-choice questions based on the sentences in your image:

10. The sooner, the **better** (A).
11. The harder this farmer works, **the poorer** (D) he becomes.
12. My father is **as old** (A) as yours.
13. Ho Chi Minh city is **larger** (D) than Ha Noi.
14. She is the **eldest** (C) daughter in the family.
15. She speaks English as **clearly** (B) as you.
16. Ho Chi Minh city is **larger** (D) than Nha Trang.
17. Your pencil is **as sharp** (A) as mine.
18. This car is **less expensive** (A) than mine.
19. The **richer** (A) he is, the more miserable he gets.
20. He is the **most intelligent** (B) student in this class.
21. "Would you like to comment on Ann’s qualification?" "…the people in the company, Ann is the most skilled."
22. "John’s grades are really bad." "Yes, but Tim’s are **worse** (A)."

Let me know if you need further assistance!