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A. Any
B. None
C. Either
D. Neither

1. Why don’t you tell US what r______ happened?
2. —Would you like some bread or cookies?
    —N______, thanks. I don't have any food before going to bed.
3. I left my g textbook at home yesterday.
4. People should be taken a p______ examination every year.
5. What ______(科目) are you studying at school?