On the afternoon of July nd, I was traveling from Shanghai back to Shenyang by train
一大早，我们就出发了。
Early in the morning, we set out
明天上午 ： 我们在学校门口集中。
We will meet at the school gate at : tomorrow morning
前几天，我和同学骑车进城。
The other day my classmates and I went to town together by bike
过去，我的家乡是个美丽的地方。
In the past / Some years ago, my hometown used to be a beautiful place
上学期，我参加了地理小组的研究性学习。我们研究的课题是：环境污染与环境保护。
Last term I took part in a geography research study group
Our topic was environmental pollution and protection
今天下午，在我去看电影的路上，我看见一个箱子从一辆自行车上掉下来。
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