题目内容
—_____ you _____ your homework yet?
—Yes, I _____ it ten minutes ago.
A. Did ; do; finished B. Have; done; have finished
C. Have; done; finished D. Will; do; finish
【答案】
C
【解析】此题考查现在完成时的基本用法,表示过去的动词对现在的影响。
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