The answer is: [D]: "higher" .
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Note:
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Choice: [A]: "more high"; — is grammatically incorrect at all costs.
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Choice: [B]: "highest" ; — is the "superlative" — NOT the "comparative".
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Choice: [C]: "more higher"; — is grammatically incorrect at all costs.
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Choice: [D]: "higher" — is the comparative form and is grammatically correct.
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Answer:
In spite of his hardwork he couldn't pass the test.
Even though Jane and Alan are neighbors they rarely sees each other
Answer:
I believe the theme of this story is that truth is sometimes better left unsaid[or "truth kills"]. Like in this story, the guy loved this woman and thought she had loved him back. He would have never thought that she would go out and try to deceive him. He would have lived happier, if he thought that she was still faithfully clinging and loving him silently even in death. Yet he was very oblivious and curious to know the truth of why she had died, and that truth eventually killed him.