22. — Hey, Tom, what’s up? ---嗨,汤姆,你在忙什么?
— _______ ---还行。

187. Please give this book to whoever comes first. 请把这本书给最先来的人。

186. Tom’s father has taught English here since he graduated from Peking University.
汤姆的父亲从北京大学毕业后就一直在这里教英语。

185. I'm going to buy a monthly ticket tomorrow. 我想明天买张月票。

184. He has sympathy for all poor people. 他同情所有的穷人。

183. We should adapt ourselves to the new surroundings. 我们应该适应新环境。

182. They are ordinary people, but did a great job. 他们都是普通人,但做得很好。

181. Air pollution is more serious than water pollution. 空气污染比水污染要严重。

180. Do you think students should do a part-time job? 你认为学生应该做兼职吗?

179. It doesn't matter whether he will come or not. 他来不来无关紧要。

178. I happened to pass by when the boy fell into the river. 孩子落水时,我恰好路过。