you mustn't forget_____your book when you come tomorrowA to bring B bring C to take D take

you mustn't forget_____your book when you come tomorrowA to bring B bring C to take D take
you mustn't forget_____your book when you come tomorrow
A to bring B bring C to take D take

you mustn't forget_____your book when you come tomorrowA to bring B bring C to take D take
to bring

to take
forget to do something

A

A
语法 forget to do something

A bring是从别处带到这里来 forget to do 是固定搭配
你明天来时别忘了把书带来

forget to do sth 意为忘了去做某事。
bring 则是从说话的地方带到另一个地方。则选A