come up to do sth

come up to do sth give up to do sth or give up doing sth? come over to do sth.是什么意思啊 come up doing还是come up to do hurry up doing sth 还是to do sth? call up sb doing sth还是to do sth? come with sb to sp to do sth造句 be up to do be up to doing be up to sb to do sth it is up to come to do sth ,go to do sth 有这两个搭配么 请问,It is up to sb.to do sth. it's up to sb.to do sth. make up one's mind to do sth.make a decision to do sth.