问题
选择题
She got the photos of her son ____ up next to her desk so that she could see them whenever she missed him. [ ]
A. to pin
B. pinning
C. being pinned
D. pinned
答案
答案：D
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She got the photos of her son ____ up next to her desk so that she could see them whenever she missed him. [ ]
A. to pin
B. pinning
C. being pinned
D. pinned
答案：D