题目内容：
9.People at the party worried about him, because no one was aware ____ he had gone.(3分)A. of where
B. of the place where
C. where
D. the place
参考答案：
选择题：9.People at the party worried about him, because n
- 题目分类：西北大学大学英语（上）
- 题目类型：选择题
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A. of where
B. of the place where
C. where
D. the place