Question

I like to read stories to my kids ____ bedtime​

Answer 1

I like to read stories to my kids before bedtime.

I like to read stories to my kids at bedtime.

Answer 2

Answer:

before, at

Explanation:

I like to read stories to my kids before bedtime.

I like to read stories to my kids at bedtime. You can use before/at in this blank space. But their sentences are different meaning.