I forgot____(finish) my homework and the teacher talked to me for a long time.

问题描述:

I forgot____(finish) my homework and the teacher talked to me for a long time.

to finish
forgot to do sth 忘记去做某事
forgot doing sth 忘记 已经 做了某事
这里显然是忘记写作业了 还没去写
所以为 to finish