问题描述：
1.____China that was sunk deep in feudalism has been replaced by ______China that is building socialism
A.The ; the B./ ; / C.The ; a D.A ; the
2.The policeman caught the thief by ______ arm.
A.a B.an C.the D./
A.The ; the B./ ; / C.The ; a D.A ; the
2.The policeman caught the thief by ______ arm.
A.a B.an C.the D./
问题解答：
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