第五课时Section B(3a3b)单元写作清,Unit 7How much are these socks,本单元以“购物”为话题，谈论了服装的品种和价格。针对该话题，常见的命题角度是写某服装店的促销海报，介绍服装店里的服装的种类、颜色以及价格等。文体一般是说明文，时态以一般现在时为主，人称采用第一人称。写作中要注意句式表达的多样化,1I need a sweater for school. 2Two dollars for one pair and three dollars for two pairs. 3Ill take two pairs.4Come and buy your clothes at our great sale.5We sell all our clothes at very good prices.6We have green sweaters for only $15!7Do you need trousers,下面是明月服装店的商品展销价格，请根据表格内容为这个服装店写一则广告。要求：1.语句通顺，语意连贯；2广告中要包含表格中的所有信息；360词左右
