题目内容
The students were participating________an international energy?saving competition between towns in New England and Canada.
A．for B．in
C．to D．at
B
句意为“学生们正在参加在新英格兰与加拿大的城镇之间进行的国际节能竞赛”。participate in参加，参与，为固定用法。
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题目内容
The students were participating________an international energy?saving competition between towns in New England and Canada.
A．for B．in
C．to D．at
B
句意为“学生们正在参加在新英格兰与加拿大的城镇之间进行的国际节能竞赛”。participate in参加，参与，为固定用法。