我记不起昨天把钥匙放在哪里了。

I'm having trouble ___remembering where I put my keys yesterday.

请记得明天把作业带来。

Please ___remember to bring your homework tomorrow.

我们每年都会举行仪式，铭记那些为自由而战的人们。

We hold a ceremony every year ___to remember those who fought for freedom.