I. Rewrite the following sentences so that the second sentence means exactly the same as the sentence before it:
1. I like playing soccer and that's why I spend a lot of time on that game.
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2.Because the weather was cold, they had to cancel their picnic.
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3. They studied very hard and that was why thay passed the examination.
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4. They couln't help you because they were not here.
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5. I can't go out because it is raining.
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6. This book is interesting enough for me to read many times.
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7. This car is too old for me to buy.
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8. He is too young to go to school alone.
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9. You must becareful because he is very strict.
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10. The test was so long that I didn't finish it in an hour.
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