doing lots of listening practice is one of the secrets of becaming a good language learner?中第二个of为何这里用它?

have lots of time 后面跟doing还是to do? Doing it well n...(单词）lots of practice. Doing lots of listening practice is one of the s_______ of becoming a good language l_______. lots of lots of lots of lots of lots of lots of 动词ing的用法Parents see other children doing lots of things.这里的do为什么要加ing?doing lots of things做什么成分? She is so creative.She always s____ all her time doing lots of unusual things I think that doing lots of listening practice is one of the secrets of becoming a good I think that doing lots of listening practice is one of the secrets of becoming a good language Doing lots of listening practice is one of the secrets of becoming a good language learner这个句子等不等于Doing lots of listening practice is one of the secrets to become a good language learner Lots of love,意思Lots of love, lots of news 还是lots of newses? I think ______ doing lots of listening practice helps a lot.A.thatB.thisC.it请问选哪个? We have lots of housework ( ) every day.A.do B.does C.to do D.doing 选哪个,为什么? there are lots of people _____(stand) in line to wait for the bus.要doing吗?是wait！