What did she forget when she left for home?____ the key to the door.划横线的地方为什么填 Taking
问题描述：
What did she forget when she left for home?____ the key to the door.划横线的地方为什么填 Taking
答
填 to take
forget to do sth是忘记要去做某事请,还没有做
而forget doing sth 是忘记了已经做过的事情,自己已经做过了,却不记得自己做过
你回答这句话的话肯定是 She forgot to take the key to the door
所以是填 to take