—________you _____your homework yet?
—Yes, I ___it ten minutes ago.
A.Did, do, finishedB.Have, done, finished
C.Have, done, have finishedD.will, do, finish
B

試題分析:根據(jù)題干中的副詞yet可知第一句要用現(xiàn)在完成時,由ten minutes ago可知第二句要用一般過去時,故選B。
點評:兩者都表示動作發(fā)生在過去,前者強(qiáng)調(diào)動作,后者強(qiáng)調(diào)動作對現(xiàn)在造成的影響。
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