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¡¡¡¡( )21Jim is ___eight -year-old boy . He sits in ____front of the classroom .
¡¡¡¡A. a , the B. an, / C. a, / D. an, the
¡¡¡¡( )22. - How many people are there in the hall?
¡¡¡¡- About people are listening to the speech.