Look at the photos ____ I took in the Yellowstone National Park.
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what
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that
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where
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whose
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—What does “plumber” mean, Alice?—It means a person fixes sinks and toilets.
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which
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who
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what
D
whom
I’ ll never forget the day_____ the great scientist came to our school and gave us a speech.
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that
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which
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when
D
where
