who( )works hard will be rewarded 理由

These boys,who work very hard,will be rewarded.怎样看出谓语动词和先行词在 Tom will be successful______,if he works hard. Good will be rewarded with good,and evil with evil He works hard.I think ________(最后)he will be a top student. Good and evil will always be rewarded;it is only a question ______ has finished the work ahead of time will be rewarded 一道英语选择（）has finished the work ahead of time will be rewarded 爱迪生的名言Success only cares those who works hard I will be very hard the( ) he works ,the ( ) he will be Everyone that works hard will succeed什么意思 Bob works hard.he t to be a good student