【題目】We should keep the classroom and tidy.

A. clean B. cleaned C. cleaning D.to clean

【答案】A

【解析】

試題分析：句意：-我們應(yīng)該保持教室干凈和整潔。根據(jù)keep+賓語+形容詞。結(jié)合句意，故選A

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