问题
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It is found that many Americans are not doing enough to care _____ their teeth.A、/B、f
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_____caused the accident has not yet been found.A.WhichB.WhicheverC.WhatD.Whatever
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It can be learned from Paragraph Six that American teachers______.A.are not well-trained a
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The California Teacher Study found the greatest reduction in breast cancer of about______p
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______could not arouse the students interest.A.That the teacher saidB.Which the teacher sa
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Coins, unlike other ancient artifacts, are usually found by accident______ by design.A.not