问题
选择题
—_____ you _____ your homework yet?
—Yes. I _____ it a moment ago.[ ]
A. Did; do; finished
B. Have; done; finished
C. Have; done; have finished
D. will; do; finish
答案
答案：B
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—_____ you _____ your homework yet?
—Yes. I _____ it a moment ago.[ ]
A. Did; do; finished
B. Have; done; finished
C. Have; done; have finished
D. will; do; finish
答案：B