1. the noisiest
2. more dangerous
3. the nearest
4. the most interesting
5. the best
6. trendier
7. nicer
8. the most narrow
9. farther
10. harder
II.
1. We don’t know where to put the sofa.
2. The rules didn’t specify to whom I should speak in case of an emergency.
3. Mai wondered how to ride the scooter.
4. Let us decide when to start the project.
5. Could you tell me where to find a good hotel?
6. We must find out what to do next.
7. A good dictionary tells you how to pronounce the words.
8. We are not sure who to meet at the entrance.
9. I can’t remember when to turn off the oven.
10. Do you know what to look for?
III.
1. there weren't so many children in Viet Nam
2. my school had playground equipment or extra activities.
3. small children didn't have to go through some foot bridges in order to get to school in the Mekong Delta
4. kindergarten teachers had training courses in making handmade teaching materials.
5. children from poor families could go to school