Question

You didn't hand in your homework. Did you forget ______ it last night?

A.to do. B. doing.

Answer 1

为你解答。
You didn't hand in your homework. Did you forget （A.to do） it last night?
你没交作业。你昨晚是不是忘记写了？
解释：forget to do，忘记要做某事。而forget doing是忘记做过的事。这里要填的是前一种情况。

Answer 2

您好：
本题您只需清楚一个知识点即可明了此题。
forget的用法
forget to do忘记去做某事
forget doing忘记做过某事
【分析】根据语境，显然应该用ing形式。
语境翻译：You didn't hand in your homework. Did you forget ___to do___ it last night?
你并没有上交你的家庭作业，昨晚你是不是忘记写了？

若满意，请采纳，最牛英语团为您解答！

Answer 3

选A.to do

forget doing sth 忘记做过某事
forget to do sth 忘记去做某事

Answer 4

A.
A是做了，B是正在做