1. I've warned you before that you shouldn't get involved in this matter and you have .......... business discussing it.

2. That's really not my concern at all and I'm certainly not .......... the business of telling others what to do.

3. She was very enthusiastic about her new job and was making rapid progress .......... nobody's business.

4. I really wouldn't joke about it because these people are deadly serious and .......... business.

5. He didn't hesitate to tell me that I wasn't wanted and just told me to .......... my own business.

6. I'm afraid it won't be possible to talk to the boss today because he's away .......... business till Tuesday.

7. He was very keen that we kept in touch and for that reason he handed me his business .......... .

8. This is the really important part of the machine and that's why we call it the business .......... .

9. The whole site has nothing but offices and administration centres and that's why we call it a business .......... .

10. All the famous film stars, actors, directors and writers were at the festival representing the world of .......... business.