题目内容
() 4. While I am standing the window,I see a boy running the street?
A. at;along B. on;at C. in;on D. to;in
4. A
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题目内容
() 4. While I am standing the window,I see a boy running the street?
A. at;along B. on;at C. in;on D. to;in
4. A