题目内容
Miss Lin ______ a lot of work for the poor area for about 10 years.
| A．does | B．did | C．has done | D．will do |
C
解析试题分析：句意：林小姐为这个贫困地区做了大约十年的工作。结合语境可知本句描述的是现在已经完成的动作，故用现在完成时态，选C。
考点：考查时态
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