we are having fun while learning together.while后为何用动名词形式?while不是介词啊?

Scream,Are we having fun yet?翻译 Are we having fun yet ?是什么意思 we are having fun 的同义句 what fun we are having同义词转化成__ __ __ __ we are having We are having fun in the park.同义句是啥? we are having fun in beijing改为同义句 We are having fun in the park.同义句 We are having fun in the park的同义句 We are having fun.（同义） We are ___ ___ ___ ___. Are You Having Fun?歌词 Are you having a match No We are playing for fun翻译成汉语 Father doesn't mind what we are doing,as long as we are together______ A.have fun B.have a fun C.having the fun D.having fun解释什么什么用法 怎么用 How are u,are u having fun I arm on holiday with my family.we are having lots of fun! 我们和你在一起很高兴.英文We are having fun ______ ______ you. We are having They are having fun here.[同意句] They are having fun _____in the park