Rewrite the following sentences so that their meaning stays the same, using the words given.
 

1.Uncle Tom used to smoke. He seems to be in bad health. (because)

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2. Mark repaired the roof. The rain wouldn't come in. (so that)

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3. You have to wear warm clothes. You won’t catch a cold. ( in order to)

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4. There was a cow on the street. All the cars stopped. (because)                                                        

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5. If you don’t start working now, you won’t be able to pass your exam.  (unless)                                     

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