问题
选择题
In the dark street, there wasn't a single person ____ we could turn for help. [ ]
A. that
B. who
C. from whom
D. to whom
答案
答案：D
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In the dark street, there wasn't a single person ____ we could turn for help. [ ]
A. that
B. who
C. from whom
D. to whom
答案：D