对什么有帮助 是be help for 还是be helpful for
对什么有帮助 是be help for 还是be helpful for
对某人有用是be helpful to sb.还是be helpful for sb?
be helpful in be helpful to be helpful for 三者区别即怎么用
be a great help还是 be a great helpful
是be good for health 还是be good for healthy
be suitable for be suited for有什么区别?
be suitable后用什么介词,是to还是for
有没有be helpful(for sb) to do这个短语
"对.能容忍"是be tolerant of还是be tolerant for?
是be important for还是to呢?
valuable是BE VALUABLE TO 还是FOR
是be late to school还是be late for school?