Do you know Nelson Mandela, _______ was the first black president of South Africa.
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推荐题目
Her first job was selling ice cream in Chinatown, close to _____ she and her family lived.
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which
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what
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there
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It’s time to say goodbye to my school . I’ll always remember the people ____ have helped me .
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who
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where
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which
--Do you know the name of the cat ______ is lying on the ground? --Of course, it’s my pet. Its name is Mimi.
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who
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