英语短文改错2

it was not a problem of wasting time,but a serious problem for their future!what you should do first is to find out what have made her addicted....
错误一:only(删去)(语法错误)
错误二:washing time(拼写错误) wasting time
错误三:seriously(词性错误) serious
错误四:make(时态错误) have made

我只能找这么多了

it was not only a problem of wasting time,but also a seriously problem for their future!what should you do first is to find out what make her addicted....