5. what is your mother?b) 你将听到两段对话和一篇短文,选出你认为最合适的答案,听下面一段对话, 34 you are a rich person.” the young man was very surprised and asked,选出可以填入空白处的正确选项, the front43. why must you be careful when you go by bus in england?a. because there are too many cars.b. bec