1. If we pollute the air , we will have breathing problems.
2. Because it is raining very hard,we will cancel our picnic
3. Although he was sick,he did the exam very well
4. I want to have a park view in the front of the house and I want to have a mountain view in the back.
5. Unless we try to save them, our sources of energy will soon end
6. Mike doesn't play chess as well as Babera
7. This is the first time I have ever visited a beautiful sight
8. Serious newpspapers are more expensive than popular newspapers
10. You don't have to finish your assignment this evening
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