transkript: 13. “They are mosily smaH blocks ofwood or pıasuc of dıf'erem Iengths' ongmeııy desıgned Yor mams, huwevsr. mey can be adapter! for wanguage classes as weu “ Whıch teaching object ıs described above? A) B) C) D) E) Reaha kabook Note pads Cmsenaıre rods Pıcmre frame