冠词一、单选题1.Jackwasplayig________guitarwhileIwasplayig________soccer.A.a;/B.the;/C./;theD./;a2.Someresearcherspoitoutthat__
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冠词一、单选题1.Jackwasplayig________guitarwhileIwasplayig________soccer.A.a;/B.the;/C./;theD./;a2.Someresearcherspoitoutthat__