179. Your pronunciation is excellent. 你的发音很好。　

178. Can you write in English? 你能用英文写文章吗？　

177. I'm always confused with "s" and "th". 我常把s和th搞混。　

176. I have some difficulty in expressing myself. 我表达起来有点困难。　

175. He has a strong accent. 他口音很重。　

174. He speaks with London accent. 他带点伦敦口音。　

173. My native language is Chinese. 我的母语是汉语。　

172. Are you a native speaker of English? 你的母语是英语吗？　

171. You speak English pretty well. 你的英语讲的很好。　

170. Your English is very good. 你的英语很好。