1. You simply can't trust that politician because he changes his mind every five minutes at the ________ of a hat.

2. In view of the special efforts our coach driver has made today, I think it would be nice to ________ round the hat for him.

3. I hope you can keep a secret because I'd like you to keep this information ________ your hat.

4. Here is the news read by Alan Townend. Today the Government is ________ plans for a new scheme to help society.

5. The industry is on the ________ of a colossal expansion.

6. Our office is a bustling ________ of activity.

7. On a Friday morning at the beginning of the campaign, the phone ________ in the Orpingtons'house at 6.30 in the morning.

8. While certain tasks may be somewhat ________ nevertheless the genuine exchange of information can occur.

9. I regret I cannot continue with the news because someone has ________ the next page.

10. Last week the Prime Minister had to give an important address to an international ________ when he found his speech had disappeared.