1. The police stopped the car because it had followed an ________ course down the road and asked the driver why he was going from side to side.

2. The police not only arrested the leader of the gang but also the ________ who had helped him.

3. I've looked everywhere for my key and even carried out an ________ search of my car but I can't find that book.

4. Despite all the chaos around him the captain remained totally calm and assumed an air of ________ .

5. Feel free to visit anything of interest to you in the exhibition and also you can ________ of any of the refreshments available.

6. We don't really get on with the new boss but he has some good ideas so we must give the devil his ________ .

7. She suddenly stopped speaking to him on the phone and the conversation came to an ________ end.

8. It took me ages to set up my computer because I spent the devil of a ________ trying to understand the notes.

9. It was easy to realise why the machine had stopped working since it was a direct ________ of his failure to maintain it.

10. It's very hard trying to get the tenses right in English. In fact it's the ________ devil to know whether it's simple or continuous.