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-Why was Professor Smith unhappy recently? -Because the theory he insisted on wr

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-Why was Professor Smith unhappy recently? -Because the theory he insisted on wr

－Why was Professor Smith unhappy recently?

－Because the theory he insisted on _________ wrong．

[]A．

proved

B．

proving

C．

being proved

D．

was proved

试题答案

答案：A

标签：recentlyunhappythebecausewas

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