Proper Nouns: Principal Billsley
Improper nouns: letter,company, roller coaster, school’s backyard, opportunity
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B. The common person could understand
Answer:
The incorrect sentence is C. We should not buy grapes which scientists say are poisonous to dogs.
Explanation:
The commas should be placed like so,
We should not buy grapes which, scientists say, are poisonous to dogs.
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