1. Our office is a bustling ________ of activity.

2. This was of course very embarrassing for the P.M. and ________ of the speech he told funny stories.

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

4. Children will be taught to respect other people's property and ________ .

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

6. He gave us little to no indication ________ his whereabouts.

7. Whatever you do take no notice of him because he's not thinking straight he's talking ________ his hat.

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

9. The scheme will be ________ into the school curriculum at the beginning of next academic year.

10. I do take my hat ________ to the new director for having pulled the company back from bankruptcy.