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A. They brushed their teeth with a toothbrush which was made of horse hairs.
B. They brushed their teeth with a toothbrush which was made of wild boar hairs.
C. They cleaned their teeth with a cooper toothpick.
D. They cleaned their teeth with a goose feather toothpick.

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A. Siberian wild boar hairs.
B. Horse hairs.
C. Goose feather.
D. Nylon fibers.

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A. In 1936.
B. In 1937.
C. In1938.
D. In 1939.

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A. They were finally neglected.
B. They were finally recognized.
C. They were finally freed.
D. They were finally rescued.

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A. Because of their insanitariness.
Because of their longevity.
C. Because of their price.
D. Because of their stiffness.

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