The students were participating an international energy-saving competition betwe
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The students were participating ________an international energy-saving competition between towns in New England and Canada．
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A．forB．inC．toD．at试题答案
答案：B
解析：participate in 参加，参与，为一固定搭配。句意为“学生们正在参加在 新英格兰与加拿大两镇之间进行的国际节能进竞赛”． |