3. 1. festival 2. map 3. quiet 4. scientist 5. market 6. neighborhood 7. star 8. annoying

4. 1. e 2. b 3. f 4. g 5. a 6. d 7. c

5. 1. could 2. may 3. may I 4. might 5. could

6. 1. a 2. c 3. b 4. c 5. a 6. c 7. a

7. 1. most expensive 2. safer 3. busiest 4. popular 5. more modern 6. most useful 7. heaviest