—Putting on a happy face not only helps us make friends but also makes us feel better. —_______.
23. Some extra office equipment, including two desks and two computers, __________ to be ordered next week.
22. He’s succeeded in many fields but his wife is an ordinary woman, ___________?
21. Whether you believe what he said _________ what he does in the future.
20. His parents were teachers in that school, _______ lost their lives in order to save their students in the earthquake.
19. __________ a chance, we will visit Edinburgh a second time.