1. A) Say a few words to thank the speaker.
2. D) He joined the local history society when young.
3. B) She had a good knowledge of the town's history.
4. C) He made an embarrassing remark.
5. B) What their rivals are doing.
6. A) They should be taken seriously.
7. C) She had not seen it yet.
8. D) Exporting their motorbikes to Indonesia.
9. B) It focuses on the link between bedtime and nutrition.
10. C) They run a higher risk of gaining weight.
11. D) Go to bed earlier.
12. A) All of the act
