问题补充:
is known to us all Lu Xun is famous for his great works a great writer.
A. It; that; for
B. It; that; as
C. As; / ; for
D. As; that; as
答案:
A. It; that; for
(答案→)B. It; that; as
C. As; / ; for
D. As; that; as
解析:考查it做形式主语,主语从句和介词:句意:我们都知道鲁迅因为他做为伟大作家的伟大作品著名。从第二个空,可知是“作为”,排除AC,D项as,引导的是非限制性定语从句,而从句子结构看不是,选B,it是形式主语,that引导的是真正的主语从句,选B。