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2004年06月英语四级A卷试题（词汇）免费下载，
r each sentence there are four choices marked A), B), C) and D). Choose the ONE answer that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the centre.
31. I went along thinking of nothing ______, only looking at things around me.
2004年06月英语四级A卷试题（词汇）
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