题目内容
9. There are many students of Grade Three reading in the reading room, most of _________ with their heads buried in their reference books and notebooks.
A. them B. whom C. which D. That
A
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题目内容
9. There are many students of Grade Three reading in the reading room, most of _________ with their heads buried in their reference books and notebooks.
A. them B. whom C. which D. That
A