问题
选择题
Tom hid himself behind the door, _____ he could hear the steps of his mother clearly.[ ]
A. from which
B. from there
C. where
D. from where
答案
答案：D
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Tom hid himself behind the door, _____ he could hear the steps of his mother clearly.[ ]
A. from which
B. from there
C. where
D. from where
答案：D