问题
选择题
the sight of the orphan's miserable life, she couldn't help having pity him. [ ]
A. On; at
B. At; on
C. In; for
D. For; in
答案
答案：B
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the sight of the orphan's miserable life, she couldn't help having pity him. [ ]
A. On; at
B. At; on
C. In; for
D. For; in
答案：B