→大学｜我们应该帮助陌生人吗 Should we help stranger…〔12-11〕
→高中｜In the U.S., saying hello to peopl…〔08-06〕
→范文｜阅读材料 I once met a middle-aged stra…〔02-09〕
→作文｜I was walking along the street whe…〔01-06〕
→大学｜Most of us look away when we pass …〔10-10〕
