单项选择题
A. He saw his boss in person for the first time. B. He is now complaining in a different way. C. He has made his boss change his attitude. D. He has changed his opinion of his boss.
A. destruction B. contribution C. charge D. origin
A.Because it was too noisy. B. Because he wanted to join the party. C. Because he was too tired. D. Because he turned on some music.