Two years ago I broke my arm football. A．when playing B．while played C．played D．
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Two years ago I broke my arm ____ football.
A．when playing B．while played C．played D．having played
试题答案
【答案】
A
【解析】
试题
Two years ago I broke my arm ____ football.
A．when playing B．while played C．played D．having played
【答案】
A
【解析】
试题