1. 1. dry - wet

  2. expensive - cheap

  3. clean - dirty

  4. boring - interesting

  5. quiet - noisy

2. 1. bridge

   2. sports stadium

   3. restaurant

   4. harbour

   5. town square

   6. shopping centre

3. good - better - the best

  bad - worse - the worst

4. 1. more dirty

  2. more noisy

  3. more dangerous

  4. wetter

  5. her homework is worse

  6. Brenda is more famous

5. 1. the most interesting

   2. the friendliest

   3. the most exciting

   4. older

   5. bigger

   6. better

   7. the best

6. 1. It isn't safe enough

   2. It' s too expensive

   3. You are not (aren't) old enough

   4. It isn't cold enough

   5. It's too difficult.

   6. It's not small enough.

7. 1. How about playing tennis?

  2. Let's watch TV.

  3. What about riding a bike?

  4. What about visiting a museum?

  5. Let's go shopping.

  6. How about swimming?