帮我写个英文小故事

Betty和Michael的妈妈要过生日了，一天下午，他们想去买一张贺卡做礼物给妈妈，可是Michael在游乐园门前想去玩，Michael在游乐园里玩木马，还吃了冰淇淋，当他们想去买贺卡时，游乐园里正在抽彩，Michael买了但没得奖，Betty买了最后一张却得到了奖，奖品是一盒大蛋糕，他们把这个送给了妈妈，妈妈很高兴，但她却不知道1个小时前发生了什么。

Betty and Michael's mother was going to have her next birthday. One afternoon, they wanted to buy a greeting card as birthday present.When they pass ed by the amusement park, Michael want to get inside and play. Michael took the carrousel and bought ice cream.The moment they wanted to go buy the card, the lucky draw was started. So Michael bought the tickets,but did not win. Betty bought the last one and won.The prise was a big box of cake. So they gave this to their mom.Their mother was very happy. But she did not what happened one hour ago.

Betty and Michael are sisters.One day,they are going to buy a birthday card for mother.But when they wordk pass by the park,Michael wants to play cockhorse,they aslo eat icecream,and then, as while ae they want to buy card,there is a raffle in th