1. If you make me some coffee, I will give you a cake.
2. If you study hard, you will pass the exam easily.
3. The water is so highly polluted that we cannot swim in this part of the river.
4. It started to rain, so we couldn't keep on cleaning the beach.
5. Mary was unhappy to hear the news.
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1. slow - slowly
2. careful - carefully
3. have lived
4. did you see
