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11.However frequently he         in doing the experiment,he never loses his confidence.(  )
A.defeatB.gets defeatedC.was defeatedD.will defeat

分析 盡管他在實驗中頻繁地失敗,但是他從沒有喪失信心.

解答 答案 選B  be defeated 被打敗 與get defeated的意思相同.從句中有頻度副詞 frequently 頻繁地,屢次地;主句使用的又是一般現在時,表明現在的情況.故選B

點評 副詞always,constantly,continuously,frequently,generally,normally,occasionally(偶爾)等常用于一般現在時態中.

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