A common mistake in English is using than or then in the wrong situation. They sound similar, but they have different meanings.
On this page, you have an exercise about the difference between than and then.
You can find the exercise below:
Than or Then Exercise 1
Complete the sentences by filling in the correct form: than or then.
1.My friend had more money my brother.
2.I am taller you.
3.Well , what did you do?
4.First, we buy food, we choose our drinks.
5.These exercises are better the other ones I have found.
6.My Halloween outfit is better yours.
7.This computer is faster my old one.
8.And , the earthquake happened.
9.I read a book, I knew what to do.
10.she got in her car and drove off.