上周日，Billy的妈妈在超市给孩子们买了礼物。给Amy买了一个书包，给Tom买了一件T恤衫，给Billy买了一个篮球。

【答案】范文：

Hello, I'm Billy. Last Sunday, my mother bought some presents for us. She bought Amy a bag. She bought Tom a T-shirt. She bought me a basketball. We were very happy.

【解析】

略