What parts does a business letter should contain? Choose the necessary ones.

1. The Signature

2. The Inside Address

3. The Passport Data

4. The Reference to Enclosure

5. The CV

6. The Heading

7. The Body of the Letter

8. The Greeting

9. The Ending

• 1, 2, 4, 6, 7, 8, 9
• all these parts
• 1, 2, 5, 6, 7, 8, 9
• 2, 4, 5, 6, 7, 8, 9.