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2．I have finished my work．
-When ____you ____it？-Two hours ago．（　�。�
A．have，finishedB．do，finishC．did，finishD．will finish

分析 --我完成了我的工作．
--你什么時候完成的、
--兩個小時前．

解答 答案：C
解析：A：現(xiàn)在完成時；B：一般現(xiàn)在時；C：一般過去時；D：一般將來時．根據(jù)答句的"兩個小時之前"可知問句該使用一般過去時（即"完成工作"這一動作發(fā)生在過去的什么時候），因此本題答案為C選項．

點評 本題考查時態(tài)，做此類題目時一定要根據(jù)句意及其他提示確定句子所需時態(tài)，再結合選項分析確定最終答案．

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