TherewasawomaninDetroit，whohastwosons．Shewasworried
问题详情：TherewasawomaninDetroit，whohastwosons．Shewasworried___21___ them，especiallytheyoungerone，Ben，___22___ hewasnotdoingwellinschool．Boysin his class ___23___ funofhimbecauseheseemedso ___24___．The...