20. A) It cost much more than its worth. B) It should be brought up-to-date.

　　C) It calls for immediate repairs. D) It can still be used for a long time.

　　21. A) The personnel manager should be fired for inefficiency.

　　B) A few engineers should be employed to modernize the factory.

　　C) The entire staff should be retrained.

　　D) Better-educated employees should be promoted.

　　22. A) Their competitors have long been advertising on TV.

　　B) TV commercials are less expensive.

　　C) Advertising in newspapers alone is not sufficient.

　　D) TV commercials attract more investments.

　　Questions 23 to 25 are based on the conversation you have just heard.

　　23. A) Searching for reference material. B) Watching a film of the 1930s'.

　　C) Writing a course book. D) Looking for a job in a movie studio.

　　24. A) It's too broad to cope with. C) It's controversial.

　　B) It's a bit outdated. D) It's of little practical value.

　　25. A) At the end of the online catalogue. B) At the Reference Desk.

　　C) In The New York Times. D) In the Reader's Guide to Periodical Literature.