301. Did you enter the contest? 你参加比赛了吗?
302. Do you accept credit cards? 你们收信用卡吗?
303. Don't cry over spilt milk． 不要做无益的后悔。
304. Don't let chances pass by． 不要让机遇从我们身边溜走。
305. He owned himself defeated． 他承认自己失败了。
306. He seems at little nervous． 他显得有点紧张。!
307. He strolls about the town． 他在镇上四处遛达
