句子反复磨耳朵（中级续）271-280

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271.I don't think I can help you very much.我不认为我能帮你很多。272.I got up early enough to catch the first train.我起了个大早为了赶第一班火车。273.I didn't expect to see you at a place like this.我没想到会在这里碰见你。274.He has three times as many books as I have.他的藏书是我的三倍。275.I can't believe your parents let you come here by yourself.我不敢相信你父母会让你自己一个人过来。276.Did you forget to lock the door last night?你昨天晚上忘了锁门吗？277.I always take a bath before going to bed.我睡觉前总要洗个澡。278.She got all dolled up for her big date.为了她的重要约会，她精心打扮了一下。279.Plastics have taken the place of many conventional materials.塑料代替了许多传统的原料。280.What time does the train for New York depart?去纽约的火车几点出发?