This office building was built ______ around 2002.

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问题 This office building was built ______ around 2002.

选项 A、sometime
B、sometime
C、some times
D、sometimes

答案B

解析 sometime是副词,在此指过去的某个时间。整个句子的意思是:“这座办公楼建于 2002年前后。”sometime不是副词,而是名词性成分,意为“一段(较长的)时间”,如: Mary has been to London for some time。some times也是名词性成分,意为“几次”。 sometimes是副词,意为“有时”。
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