对画线部分提问The boy under the tree is your friend.
问题描述:
对画线部分提问The boy under the tree is your friend.
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答
which boy is your friend
对画线部分提问The boy under the tree is your friend.
 ̄ ̄ ̄ ̄ ̄ ̄ ̄
which boy is your friend