–Do you know the boy ___ is standing under the tree?-- Yes, he is my friend, Peter.
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A
what
B
who
C
whom
D
whose
推荐题目
The young teacher _______ gave us a lesson yesterday comes from Beijing.
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A
who
B
whose
C
what
D
which
One of the most interesting places in Yangzhou ________ are often visited by foreigners is the West Slender Lake.
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A
what
B
who
C
that
D
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