I have bought the ball for 5 days这样说对吗

I have the book for two days.用borrowed,bought,lent,kept哪个?为什 I have bought the coat for 8 months.这句话对吗?我总觉得不对,感觉I have ha I have bought the new mp3 for three days.这句话有什么语病哪?（单句改错） I have bought the bike和I have bought the bike for two years, I have bought two _ for the coming Chritmas party I have bought the computer for two years.怎么改? I have bought the car for nearly 5 years.哪里错了 ---May i keep the book that you just bought for several days ——May i keep the book you just bought for several days?——Of 我有书I have book这样说对吗? I might have them as well这样说对吗? I bought the book three days ago的同意句