21.A)To cut down its production expenses.

　　B)To solve the problem of staff shortage.

　　C)To improve its administrative efficiency.

　　D)To utilize its retired employees' resources.

　　Questions 22 to 25 are based on the conversation you have just heard.

　　22.A)Buy a tractor.

　　B)Fix a house.

　　C)See a piece of property.

　　D)Sing a business contract.

　　23.A)It is only forty miles form where they live.

　　B)It is a small one with a two-bedroom house.

　　C)It was a large garden with fresh vegetables.

　　D)It has a large garden with fresh vegetables.

　　24.A)Growing potatoes will involve less labor.

　　B)Its soil may not be very suitable for corn.

　　C)It may not be big enough for raising corn.

　　D)Raising potatoes will be more profitable.

　　25 A)Finances

　　B)Equipment

　　C)Labor

　　D)Profits