I . Rewrite the sentence with '' so '' and '' because ''
1. They could not help you . They were not here
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2. I can't go out . It's raining
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3. We haven't got any food . We are going shopping
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4. There was fog . Their flight was delayed
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5. The film was boring . We decided to go home
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6. I couldn't do this exercise . I asked Tom for help
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