For this part, you are allowed 30 minutes to write a composition in three paragraphs. Three outlines are given to you and you are required to write a composition titled Living in a Big City with no less than 120 words. Remember to keep to the following Chinese outlines. 1. 成千上万的人涌入城市,特别是大城市。 2.我喜欢居住在生活方便的大城市里。 3.然而大城市正面临许多问题,其中最大的是……