I.

1. the longest

2. the most interesting

3. the biggest

4. the best

5. the most beautiful

6. the coldest

7. the fastest

8. the most important

9. the happiest

10. the worst

ll.

1. nicest

2. best

3. busiest

4. most famous

5. biggest

6. most difficult

7. quietest 

8. worst

9. most expensive

lll.

1.

1. A. far 

2. B. at

3. C. no

4. D. rivers

5. C. one another

6. D. next to

7. C. like

8. D. are

2.

1. B. Piccadilly Circus

2. D. Crossroad

3. D. Regent Street

4. D. a gate into Hyde Park

5. A. the lions

I

1. The longest

2. The most interesting

3. The biggest

4. The best

5. The most beautiful

6. The coldest

7. The fastest

8. The most important

9. The happiest

10. The worst

II

1. Nicest

2. Best

3. Busiest

4. Most famous

5. Biggest

6. Most difficult

7. Most quiet

8. Worst

9. Most expensive

III

1. Far

2. At

3. No

4. Rivers

5. One another

6. Next to

7. Like

8. Are

2

1. B

2. D

3. D

4. D

5. A