1. We can't bathe in this part of river because the water is too dirty 
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2. We spend too much money on electricity because we have four air conditioners in our house 
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3.I can't write to Linh because i don't have hẻ address

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4. Dick often causes accidents because he drives carelessly 
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5. We can't give much help to the poor because we waste a lot money on unnecessary things 
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6. It's raining, so we can't have lunch in the garden 
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7. My brother didn't leave the car keys, so I couldn't pick him up 
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8. We didn't go because it rained 
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9. We didn't go on holiday because we didn't have enough money 
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10. Susan felt sick because she ate four cream cakes 
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