He likes his new job,for he is paid ________ the day.
18. --- What do you think of the furniture on exhibition? --- Well, great! But I don’t think much of _______ you bought.
19. The best job is _______ which uses your skills in doing something together with your interest in the subject.
20. In the past ten years, great changes _______ in my hometown.
21. The third and last chapter _______ by Professor Chen.
22. --- No, I’m afraid he isn’t in. This is his secretary speaking. Can I help you? --- _______.