按要求翻译3个英语句子！谢谢，实在不会！家庭作业，快！

我有2个笔友。I have two pen pals. How many pen pals do you have?你有多少个笔友？ 咱们打篮球吧。 Let's play basketball. Let's not play basketball. 咱们别打篮球吧 为什么不加入体育俱乐部呢？Why not join the sports club? Why don't you join the sports club? Tom的