Decide which verb best translates the predicate of each sentence, "bekommen" or "werden."

It's getting dark.	??? bekommen werden
You've been getting a lot of mail.	??? bekommen werden
You've been getting so tired.	??? bekommen werden
It's becoming more expensive.	??? bekommen werden
What do you want to become?	??? bekommen werden
What do you want to receive?	??? bekommen werden
They always get money for their birthday.	??? bekommen werden
They become excited on their birthday.	??? bekommen werden
You're getting a fever.	??? bekommen werden
You're getting warmer.	??? bekommen werden