The teacher explained the question clearly to impress his students ________ its importance.

A. with B. at C. in D. On

A

【解析】試題分析：句意：老師清晰地解釋這個問題用它的重要性來使學(xué)生印象深刻�？疾閕mpress sb with sth結(jié)構(gòu)。

考點(diǎn)：考查介詞

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