Ex1:
1. warmer
2. the most beautiful
3. more difficult
4. the oldest
5. the most populated
Ex2:
1. If she (reads/ read) in a bad light, she will ruin her eyes.
2. I will get angry if you (make/ will make) more mistakes.
3. If you study hard, you (pass/ will pass) this year’s exam.
4. If they don’t invite me, I (don’t go/ won’t go).
5. If you don’t go to the party, I (am/ will be) very upset.
Ex3:
1. Because Nathan missed the bus, he was late for school.
2. Keep the food covered or the flies will contaminate it.
3. Juile has a guitar and she plays it very well.