24. What is the length of the Mekong River?
25. What is the width of the West Lake?
26. This is the first time I've ever seen the sharks.
27. Neither I nor they had a toothache.
28. Mr. Lan had better wear gloves to protect his hands.
29. The stomachache prevented Mr. Thanh from enjoying the meals.
30. How old is your daughter, Mr. Lan?
31. Because Minh was sick, he didn't go to school yesterday.
32. You'd better not eat too much meat.
33. What is the weight of the chicken?
