Choosing between Adjective and Adverb Forms

1. Scientists were (excited / excitedly) to discover something new about these ancient creatures.

   Question

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   Choosing between Adjective and Adverb Forms - Question 1
2. Before this discovery, people could offer only (rough / roughly) guesses about dinosaurs’ colors.

   Question

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   Choosing between Adjective and Adverb Forms - Question 2
3. Now, research (strong / strongly) suggests that some dinosaurs had red, gray, black, and white feathers.

   Question

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   Choosing between Adjective and Adverb Forms - Question 3
4. Scientists determined this by (close / closely) analyzing dinosaur fossils.

   Question

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   Choosing between Adjective and Adverb Forms - Question 4
5. The fossils themselves are (dull / dully) in color.

   Question

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   Choosing between Adjective and Adverb Forms - Question 5
6. However, when scientists use a microscope, they can (easy / easily) see tiny structures called melanosomes.

   Question

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   Choosing between Adjective and Adverb Forms - Question 6
7. Melanosomes make birds’ feathers (colorful / colorfully), so scientists speculate that melanosomes also made dinosaurs’ feathers colorful.

   Question

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   Choosing between Adjective and Adverb Forms - Question 7
8. Like birds, dinosaurs may have used their (brilliant / brilliantly) feathers to attract mates or scare away enemies.

   Question

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   Choosing between Adjective and Adverb Forms - Question 8
9. Some scientists remain (skeptical / skeptically) about these recent discoveries.

   Question

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   Choosing between Adjective and Adverb Forms - Question 9
10. Others see them as (valuable / valuably) contributions to the study of dinosaurs.

    Question

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    Choosing between Adjective and Adverb Forms - Question 10