271. I have the right to know. 我有权知道。

272. I heard some one laughing. 我听见有人在笑。

273. I suppose you dance much． 我想你常常跳舞吧。

274. I walked across the park． 我穿过了公园。

275. I'll just play it by ear． 我到时随机应变。

276. I'm not sure I can do it． 恐怕这事我干不了。

277. I'm not used to drinking． 我不习惯喝酒。

278. Is the cut still painful? 伤口还在痛吗?

279. It's too good to be true! 好得难以置信。

280. Jean is a blue-eyed girl． 珍是个蓝眼睛的女孩。

281. Let's not waste our time． 咱们别浪费时间了。

282. May I ask some questions? 我可以问几个问题吗?

283. Money is not everything． 金钱不是一切。

284. Neither of the men spoke． 两个人都没说过话。

285. Stop making such a noise． 别吵了。

286. That makes no difference． 没什么区别。

287. The price is reasonable． 价格还算合理。

288. They crowned him king． 他们拥立他为国王。

289. They're in red and white. 他们穿着红白相间的衣服。

290. We all desire happiness. 我们都想要幸福。