【題目】Dozens of people were waiting with a camera for ______ seemed like hours, hoping to catch a glimpse of the US First Lady, Michelle Obama.

A. that B. when C. which D. what

【答案】D

【解析】

試題分析:考查關(guān)系代詞。A. that 作主語和賓語，常用于限制性定語從句；B. when時間狀語；C. which作主語和賓語，常用于非限制性定語從句；D. what常做主語和賓語。句意：很多人都已備好相機等著Michelle Obama.這就像過了幾個小時一樣，希望可以瞻仰第一夫人的風(fēng)采。前面有介詞for，此空作主語，故選D。

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