305. He owned himself defeated． 他承认自己失败了。

304. Don"t let chances pass by． 不要让机遇从我们身边溜走。

303. Don"t cry over spilt milk． 不要做无益的后悔。

302. Do you accept credit cards? 你们收信用卡吗?

301. Did you enter the contest? 你参加比赛了吗?

300. Being criticized is awful! 被人批评真是痛苦!

299. You"ve got a point there． 你说得挺有道理的。

298. You"re really killing me! 真是笑死我了!

297. You mustn"t aim too high 你不可好高骛远。

296. Would you like some help? 今天真漂亮!