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______ is known to all,Taiwan is a part of China.
A.As B.Which C.That D.What
______ is known to all, Taiwan is a part of China.
A. As B. Which C. That D. What
____ is known to all ___ Taiwan is ___ of China.
A. As, that, a part B. As, which a part C. It, which, a part D. It, that, a part
________ is known to all,Taiwan is a part of China．
A．As
B．which
C．That
D．What