问题
选择题
I must return the two books to the library. I ______ them for half a month. [ ]
A. borrowed
B. kept
C. have kept
D. have borrowed
答案
答案：C
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I must return the two books to the library. I ______ them for half a month. [ ]
A. borrowed
B. kept
C. have kept
D. have borrowed
答案：C