( ) you( ) your homework?yes,I finished it an hour ago.
A did finish B have finished C.had finished
人气：176 ℃ 时间：2019-10-31 13:14:07
解答
Have,finished 选B
问：强调的是结果,用完成时,一般中文译为：做完.、做了.
答：强调的是动作何时做的,用过去时
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