语法与词汇 In previous time when fresh meat was in short _____,pigeons were kept by many households as a source of food.无
【正确答案】 C
【答案解析】句意:在以前, 鲜肉 供应不足, 许多家庭会养鸽子来作为食物来源。 in short supply供应不足; 缺乏。