The more _________ we take the safety standards, the further we can speed up the development of the school bus industry.
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.
18. — Hi, Kathy. We’re going to have a party this Saturday. Will you come? — __________. What time?