Read the passage and then answer the following questions Mr. Brown is a farmer. He has some paddy fields and he grows a lot of rice. He also has a small garden. He grows a few vegetables there. He has some animals. He has two cows and seven pigs. He also has a lot of chickens, two dogs and one cat. The cows produce a lot of milk. The dogs keep the house safe. The cat kills a lot of mice on the farm. The chickens produce a lot of eggs. The pigs produce a little pork and bacon. His animals are useful. 36. What does Mr. Brown do?  He is __________________. 37. How many paddy fields does he have?  He has ________________________. 38. How many cows does he have?  He has __________________. 39. How many dogs does he have?  He has __________________. 40. Are his animals useful?  Yes, ________________.