题目内容
— Hi, Jack. What’s that on the desk?
— Oh, it’s the new backpack my mom gave me for my birthday.
A. when B. what
C. which D. where
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题目内容
— Hi, Jack. What’s that on the desk?
— Oh, it’s the new backpack my mom gave me for my birthday.
A. when B. what
C. which D. where