VII/

31. with

32. from

33. went

34. are

35. ate

36. field

37. left

38. hometown

39. lot

40. more

VIII/

1. Where can I go to buy beef?

2. Who does Lan go to school with?

3. When did they go to the zoo?

4. How much beef would you like?

5. How long has she learnt Math?

IX/

1. You'd better not eat too much meat

2. How long has Mrs. Mai worked in this factory?

3. What is the chicken's weight?

4. Because Lan was sick, she didn't go to school yesterday.

5. The stomachache prevented Mr. Jone from enjoying the meal.

Study well!