（who）（without）
标题要翻译成英语吗?
If you make good use your time,you will learn English better,never leave work that you can do today till tomorrow.如果你好好利用时间，你的英语会学得更好 If you ()your time( )( ) ,()learn English().空怎么填谢谢(use)(by)(fully)(you'll)(better)