庄库、贝卡和宝萝见到可亲的王老师非常高兴：“王老师，今天能够见到你真是非常高兴。我们正一遇到多边形面积计算就犯糊涂呢!您快给......

Once， three cows lived in a green farm near a forest： a white cow， a black cow and a reddish-brown1 cow. The cows were kind......

We had a visitor today. Mr. Liu， who was my father’s classmate 20 years ago， came for a holiday. They were so happy to se......

过年前，我收到朋友寄來的一包礼物，包得方方正正的。包装上面还写了一行字，写的是：“兄弟，礼物价格不贵，但够你用一年。”　　我非常高兴......