Never believe all you hear, never regret what you have never lost, and never throw away what you have in your hands. A. that B. which C. what D. when 题目和参考答案——青夏教育精英家教网—

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Never believe all ____ you hear, never regret what you have never lost, and never throw away what you have in your hands.

A. that B. which C. what D. when

解析:

略

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