is well known , paper was first made by the Chinese. [ ] A.It , that B.This, tha
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![is well known , paper was first made by the Chinese. [ ] A.It , that B.This, tha](/pic/43_997505.jpg)
________ is well known ________, paper was first made by the Chinese.
[]
A.It , that
B.This, that
C.As, /
D.It, when
试题答案
答案:C