营口市2014
高考英语阅读理解、完形填空二轮精品训练（53）含答案 a most people think of racing when they see greyhounds (灰狗) and believe they need lots of exercise. they can actually be quite lazy! greyhounds are good at fast races but not long-distance running. they do need regular exercise but they like to run for a short burst and then get back on
