—___ you _ your homework yet?—Yes.I ___ it a moment

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—_____ you _____ your homework yet?—Yes.I _____ it a moment ago.
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A.Did; do; finished
B.Have; done; finished
C.Have; done; have finished
D.will; do; finish

选B 前两空因为有YET 必然是完成时的提问. 后空有AGO,过去时,但有时会碰到一些有AGO也用完成时的,比如SINCE.AGO就得用完成时. 这里因为有的AGO,主要强调在之前一个时间FINISH 这个动作,而不是已经完成这件事.

—_____ you _____ your homework yet?—Yes.I _____ it a moment 要有解析,—_____ you _____ your homework yet?—Yes,I _____ it ten _____ you washed your hands yet? Yes,I _____. A.Have,have B. _____ I your classmate?Yes,you _____. （）you()your homework yet?Yes.l () it a moment ago you your homework yet? — Yes, I it ten minutes ago. 怎么写啊 —Is this coat _____? —Yes,it's _____. A.yours;mine B.your;my -- When _____ you _____ your homework?--I had finished it be _____ I your classmate? Yes, you _____.怎么做 Could I use your dictionary?Yes,you can.It's a _____ (use) t --- you ---- your homework Yes,l---it a moment ago. Have you done your homework yet?Yes I finished it a momeng a