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