13. They were tired after a hard working week.
--->How
14. He likes to jog in the park in the morning.
→ He is interested
15. How much do you weigh?
→ What
16. Nam had an appointment at 8.30.
→ What time
17. Yes, my sister bought a new CD yesterday.
--->Did
18. How tall is the building?
--->What
19. She is 40 kilos
→How
20. What is the weight of the fish?
--->How