请在 下方输入 要搜索的题目:

---Do you know the boy _____ is sitting next to Peter?---Yes. He is Peter's friend. They are celebraing his _____ birthday.


A、who,ninth;
B、that,nineth;
C、/,nineth;
D、which,ninth

发布时间:2025-11-07 05:05:21
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答案:who, ninth
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