题目

Not only________to turn off the lights in the kitchen，but we also failed to lock the front door. A．we forgot　                           B．forgot we C．did we forget　                       D．we did forget 答案：C 解析：　考查倒装。句意为：我们不仅忘记关厨房的灯，而且也忘了锁前门。not only位于句首时，其后的成分要部分倒装，故选C项。B项为全部倒装，故排除。 　

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