只有通过不断练习你才能说出一口流利的英文作为一名志愿者，他不但了解西安

Only you can speak fluent English through constant practice <br>as a volunteer, he not only understand the traffic situation in Xi'an, but also well aware of the historical sites <br>ever since I left home 20 years ago, this home has undergone enormous changes during the <br>run before, you'd better buy a pair of shoes, not to injure yourself <br>so far teachers and students have not received notification <br>every time I take the exam, I will worry about failing <br>only when you make the greatest efforts to learn, can you make progress <br>that issue is being discussed will play a very important role in our company's development

Only by constantly practicing can you speak fluent English<br>As a volunteer, he not only knows about the traffic situation in Xi'an, but also knows all about places of interest.<br>It's been 20 years since I left my hometown, and it's changed dramatically.<br>Before you run, you'd better buy a pair of shoes so as not to hurt yourself.<br>So far the teacher sands the students have not been notified.<br>Every time I take the exam, I worry that I won't pass.<br>Only when you do your best to learn can you make progress. The issue under discussion will play a very important role in the development of our company.

Only through constant practice can you speak fluent English<br>As a volunteer, he not only knows the traffic situation of Xi'an, but also knows the places of interest.<br>It has been 20 years since I left my hometown. During this period, my hometown has changed dramatically.<br>Before running, you'd better buy a pair of shoes first to avoid hurting yourself<br>So far, teachers and students have not been informed<br>Every time I take an exam, I worry about failing<br>Only when you try your best to study can you make progress<br>The question under discussion will play a very important role in the development of our company<br>