题目内容：
43. People at the party worried about him, because no one was aware （）he had gone.
(A) of where
(B) of the place where
(C) where
(D) the place
参考答案：
选择题：43.People at the party worried about him, because
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People at the party worried about him, because no one was aware （）he had gone.
(A) of where
(B) of the place where
(C) where
(D) the place