Combine each pair of sentences using a relative pronoun or relative adverb

Ex7. Combine each pair of sentences using a relative pronoun or relative adverb.
1. You didn’t tell us the reason. We have to cut down our daily expenses for that reason.
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2. The day was rainy. She left on that day.
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3. I’ve sent him two letters. He has received neither of them.
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4. That man is an artist. I don’t remember the man’s name.
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5. One of the elephants had only one tusk. We saw these elephants at the zoo.
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Ex8. Use reduced relative clauses in place of the relative clauses
1. I was the only one who realized him.
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2. I have some homework which I must do tonight.
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3. Our solar system is in a galaxy that is called the Milky Way.
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