-Columbus was a man who changed the world.-I agree. His of America was one of the greatest events in human history.A.invention B.discovery C.appearance D.agreement 题目和参考答案——青夏教育精英家教网—

题目内容

—Columbus was a man who changed the world.

—I agree. His ________ of America was one of the greatest events in human history.

A.invention B.discovery C.appearance D.agreement

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