is known to us all is that the old artist, for whom life was hard in the past, still works very——青夏教育精英家教网—

摘要： is known to us all is that the old artist, for whom life was hard in the past, still works very hard in his eighties. A. What B. it C. As D. Which

网址：http://m.1010jiajiao.com/timu_id_3330253[举报]

________ is known to us all is that the old artist, for whom life was hard in the past, still works very hard in his eighties．