句子反复磨耳朵（中级续）281-290

听前提示一、三遍英文，一遍中文，再一遍英文。二、从听懂的词入手，理解句子含义。三、根据中英文意思，听不懂的多听几遍。原文281.You should try to form the habit of using your dictionaries.你们该养成使用字典的习惯。282.Prices are double what they were ten years ago.价钱是10年前的2倍。283.The dolphin and trainer communicated much better than we expected.海豚和驯养员交流得比我们所期望的好得多。284.She was at a loss for words to express her feeling.她已经无法用言语表达她的感觉了。285.I've been waiting for you since two o'clock.我从两点开始一直等你。286.I wouldn't be too surprised if this song became a hit.如果这歌成名，我不会太惊讶。287.I felt a drop of rain on my head.我感觉有滴雨落在头上。288.You should not have lent the money to such a person.你不应该借钱给这样的人。289.I've done bad things that I should be punished for.我做了该受罚的坏事。290.I can't go with you because I'm very busy.我不能和你们一起去，因为我很忙。