Fill in the missing words to make sentences.

1. The best ... in the world take part in the World Chess Championship.

2. He was lucky to be among the hundreds of ... that managed to get tickets for the match.

3. Food companies must be extremely careful with the quality of products they offer to ... .

4. Iron Will, one of the youngest ... in the race, won by at least three minutes.

5. Mark and Jeff are radio ... ; they have a show every evening from Monday to Friday at 10.

6. Do you like indoor ... or do you prefer outdoor activities?