—Do you know the boy _____ is sitting next to Peter? —Yes. He is Peter's friend. They are celeb
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题目简介
—Do you know the boy _____ is sitting next to Peter? —Yes. He is Peter's friend. They are celeb
题目详情
—Yes. He is Peter's friend. They are celebrating his _____ birthday.
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B. that; nineth
C. /; nineth
D. which; ninth
答案