Question

【题目】—Have you finished your homework yet?
—Yes, I ________ it twenty minutes ago.
A.have finished
B.will finish
C.finished
D.had finished

Answer 1

【答案】C
【解析】句意：—你已经完成你今天的作业了吗？—是的，20分钟之前我完成的。A． have finish已经完成；B． will finish将要完成；C． finished完成了；D． had finished过去完成。句中有ago，故时态为一般过去时。故选C。