题目内容
—I _____ the book to the library.
—When ______ you _____ it?
—When ______ you _____ it?
[ ]
A. has returned; did; return
B. have returned; have; returned
C. returned; did; return
D. returned; have; returned
B. have returned; have; returned
C. returned; did; return
D. returned; have; returned
C

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