问题
选择题
—Do you know the boy ________ is standing under the tree?
—Yes, he is my friend, Peter. [ ]
A. what
B. who
C. whom
D. whose
答案
答案：B
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—Do you know the boy ________ is standing under the tree?
—Yes, he is my friend, Peter. [ ]
A. what
B. who
C. whom
D. whose
答案：B