5. As nobody here knows what is wrong with the machine,we must send      an engineer to handle the problem.

4. ―I ought to exercise more,but I never have any time.

―Oh,come        ！What are you busy with every day?

3.        his head down,the boy admitted his mistake to me and apologized.

2. ―I've heard that her son was found safe and sound in the woods. —What a        ！

1. Everything has been going well so far.        ，we are sure that the pro- ject will be completed on time.

10. She was wearing a black and white        (spot) dress.

9. A lot of Latin American officials are stressing the        (symbol) im-portance of the trip.

8. We had dinner with our director and his        (charm) wife.

7. At seven o'clock the night nurse came in to      (relief) her.

6. It's a very friendly bar with a nice     (relax) atmosphere.