have fun( in) doing sth

have fun in doing have fun( in) doing sth have fun in doing可以吗?have fun doing=have fun in doing吗? have fun doing sth have fun doing造句 have fun doing sth. HAVE FUN DOING STH 和 HAVE IN DOING STH 有什么区别?,可以通用吗? have fun doing sth造句 be fun doing 和have fun doing的区别 have fun to do something 还是 have fun doing somethingshishenme have fun doing sth 还是have fun to do sth? have fun doing sth.还是 have fun to do sth. have fun doing sth 什么意思 have fun+doing吗还是to do Have fun doing Sth.中文,并造句 have a fun doing的意思 have good fun doing sth为什么用doing? have fun doing sth..这里DOING.是动名词吗.