问题
选择题
—Have you mended your shoes, Bob ?
—Yes, I ______ them twenty minutes ago. [ ]
A. have mended
B. mend
C. had mended
D. mended
答案
答案：D
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—Have you mended your shoes, Bob ?
—Yes, I ______ them twenty minutes ago. [ ]
A. have mended
B. mend
C. had mended
D. mended
答案：D