paperback. Condizione: New. Paperback. Pub Date: 2017-06-01 Pages: 246 Language: Chinese Publisher: China water conservancy and hydropower press 5 minutes a day morning read morning. comprehensive (language. vocabulary. reading and writing. pronunciation. listening comprehension) improve your English!This series according to the vocabulary can be divided into 500. 1000. 1500. 2500. 3500. five.