Another, other, the other, others, and the others all come from the same root, and choosing between them depends on two questions: is the item singular or plural, and is it one specific remaining item or just any additional one? Learners who never sort this out keep reaching for "other" as a catch-all.
Practice
She looked at three dresses. One was too big, was too small, and one was perfect.
I do not like this song. Can you play one?
There are four chairs in the room. One is broken, but are fine.
Some people study in the morning, while prefer to study at night.
He finished one task and immediately started .
I will take this book. You can borrow .
I called two friends yesterday. One answered, but did not.
Do you have question, or is everything clear?
I cannot find my glove. I only see one here.
She has two cats. One is black, and is white.