322. Show your tickets，please． 请出示你的票。

321. She was totally exhausted． 她累垮了。

320. No spitting on the street． 禁止在大街上吐痰。

319. It"s time you went to bed． 你早就该睡觉了。

318. It has be come much cooler． 天气变得凉爽多了。

317. I would like to check out． 我想结帐。

316. I wish I knew my neighbor． 我很想认识我的邻居。

315. I will arrange everything． 我会安排一切的。

314. I saw it with my own eyes． 我亲眼所见。

313. I like all kinds of fruit． 我喜欢各种各样的水果。