His crocodiles are housed in a tropically heated room that (5)_____ around 20 by22/187His crocodiles are housed in a tropically heated room that (5)_____ around 20 by 30 metres, so they have plenty of room. rules measures ranges sizesGiải thích- rule: quy tắc - measure: đo lường - range: phạm vi - size: kích cỡ Chọn B