问题
选择题
(2014·湖南郴州五校第二次联考)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
答案：C
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。
答案： C