问题
选择题
—Do you know the boy ______ is sitting next to Peter?
—Yes. It's Peter's friend. [ ]
A. who
B. which
C. whom
D. /
答案
答案：A
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—Do you know the boy ______ is sitting next to Peter?
—Yes. It's Peter's friend. [ ]
A. who
B. which
C. whom
D. /
答案：A