【題目】I was not sure _______ I had the qualification for the job, but I applied for it anyway.

A. that B. whether C. what D. how

【答案】B

【解析】

試題分析：句意：我不確定是否我有資格勝任這份工作，但是我還是申請了 。A. that 引導(dǎo)名詞性從句，不做成分，無翻譯，只起連接作用；B. whether是否；C. what引導(dǎo)名詞性從句，做主語或賓語成分； D. how如何；怎樣。 根據(jù)前后句語境得知是指“不確定是否”，故選B。

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