)) comparative adjectives. platinum is heavier and it's also platinum is more neptune is than jupiter. superlative adjectives. mercury is the to the sun. it's also plastic is one of the most materials. neptune is the from the sun.

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1. The photographs would have been much better if it (had been) lighter in the room.
2. He (would have died) if the surgeon hadn’t operated on him.
3. People (would become) hardened to cold if they took cold baths regularly.
4. If the hunter had been less cool and skillful, things (would have taken) a very dangerous turn.
5. If you (had stired) the tea, it would have been sweeter.
6. If ice (were) heavier than water, it wouldn’t float.
7. If you (postpone) doing the job now, you regret about it later.
8. If you had strained your ears, you (would have heard) a slight noise in the bushes.

1. I must go home for a week. 2. Yesterday, I had to answer six emails. 3. Do I have to buy flowers for the meeting? - Yes, please. 4. He should be well prepared for the exams. 5. He says that he must go to bed early. He has to get up early tomorrow. 6. I could not go to his birthday last night. I had to prepare for the exam. 7. Could you help me? I can not find the mail. 8. I must buy a birthday gift for my best friend. 9. I had long before agreed with my mother that I had to come home for a week. 10. My brother should help his father repair the car. 11. I have not seen this film. I must definitely see it. 12. If you've done all the work, you can go home.