NEVER 加to do 和doing有什么区别

NEVER 加to do 和doing有什么区别 to do 和 DOING 有什么区别 be fun to do sth 和have fun doing sth 有什么区别 加 例句 prefer to do 和 prefer doing to doing 和 prefer doing有什么区别,还有他 get to do 和get to doing 有什么区别 doing than doing 和 to do than to do 有什么区别 要例句 never后面加to和doing的区别 remember doing和to do有什么区别啊? advise to do和advise doing有什么区别? start to do和start doing有什么区别 句子to do开头和doing开头有什么区别 begin to do 和begin doing有什么区别?