isk

发布时间：2020-07-11 21:12:30

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












A.What; what











B.What; that










C.That; what










D.As; that

网友回答

B解析考查名词性从句。第一空是主语从句，缺少主语，所以用what，第二空是表语从句，由that引导，所以选B。
以上问题属网友观点，不代表本站立场，仅供参考！