问题
选择题
He hurried out into the street and was knocked down by a ____ bike. He had his right arm ____.[ ]
A. past, hurt
B. passing, broke
C. passed, harm
D. passing, hurt
答案
答案：D
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He hurried out into the street and was knocked down by a ____ bike. He had his right arm ____.[ ]
A. past, hurt
B. passing, broke
C. passed, harm
D. passing, hurt
答案：D
③
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⑤
）______（填“能”或“不能”）发生消去反应．