1. Black bears dont usually attack humans. .......... they normally run away from us.

2. She has been looking much more enthusiastic about the future .......... she accepted her new job.

3. ......... the renovation of their football stadium, the team will be using another teams ground next season.

4. The traffic into town usually gets a bit lighter .......... the schools have closed for the summer.

5. ......... your mother comes to visit, we must remember to give her the things your sister left for her.

6. When deep-sea diving, you must pay attention to the time, ........ staying under water too long may result in serious illness.

7. Please answer the telephone for the next hour .......... the receptionist has gone to the dentist.

8. The residents received some warning of the tornado; ......... several people were injured.

9. .......... the authorities try, they dont seem to be able to reduce the crime rate.

10. .......... vast distances and great difficulties in transportation, there was a remarkable amount of trade in the ancient world.