给下列字母加上大写,空格和标点符号,使它成为完整,通顺的句子

1. I'm doing nothing. 我没有在做任何事
2. We could play computergames. 我们可以玩电脑游戏
3. They're going to leave the house at half past six. 他们准备在六点半离开房间
4. Jack's family are watching a stupid game.杰克的家人正在看一个很无聊的游戏
5. Can I go to Mike's house.我可以去麦克的房间吗