问题描述：
Mrs.White showed her students some old maps ______ from the library.
Mrs.White showed her students some old maps ______ from the library.
A.to borrow B.to be borrowed
C.borrowing D.borrowed
Mrs.White showed her students some old maps ______ from the library.
A.to borrow B.to be borrowed
C.borrowing D.borrowed
问题解答：
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