250.Mr. Brown works inmiddle school. It isschool built in the 16th century.A. a, aB. a, th

250.Mr. Brown works in middle school. It is school built in the 16th century.
A. a, a
B. a, the
C. the, a
D. the, the

(答案→)A. a, aB. a, theC. the, aD. the, the解析：可联系答.案.网客服索取。

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