问题标题:
Tomsits()theclassroomwhileJohnsits()theroomAinfrontof;atbackofBinthefrontof;atthebackofCinfrontof;atthebackofDinthefront;atbackof
问题描述:
Tomsits()theclassroomwhileJohnsits()theroom
Ainfrontof;atbackof
Binthefrontof;atthebackof
Cinfrontof;atthebackof
Dinthefront;atbackof
崔中发回答:
Binthefrontof;atthebackof
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