Solution:
- Oh no! I made a mistake in that exercise.
- Are we doing this exercise?
- We need to revise before the test.
- I like being a teenager because I can be more independent.
- Do you want to practice this tomorrow?
- Police arrested the burglar yesterday.
Answer: 1. made, 2. doing, 3. revise, 4. independent, 5. practice, 6. burglar.