单选题 A worker ant has two ______, one for itself, and one for carrying food to "the folks back home".
  • [A] stomachs
  • [B] stomach
  • [C] stomaches
  • [D] kinds


【正确答案】 A
【答案解析】考查名词复数形式。stomach(胃)虽以-ch结尾,但变复数形式时直接加-s,不能加-es。