Q
Combine into one sentence: He is rich. He is not happy.
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A
He is rich and therefore not happy.
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B
Although he is rich, but he is not happy.
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C
Although he is rich, he is not happy.
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D
Because he is rich, he is not happy.
Correct Answer:
C. Although he is rich, he is not happy.
Explanation:
A contrast needs 'although/though' or 'but', not both. 'Because' and 'therefore' give a wrong cause-and-effect meaning.
