Here are the sentences completed with the appropriate verb forms:

1. It's easy **to get** into bad habits.
2. Is there anything here worth **buying**?
3. My parents decided **to take** a taxi because it was late.
4. Do you agree **to lend** me some money?
5. Tom refused **to give** me his address.

If you have any more questions or need further assistance, feel free to ask!