第9题: [单项选择]In previous times, when fresh meat was in short ______, pigeons were kept by many households as a source of food. A. store B. provision C. reserve D. supply 参考答案:D 答案解析:虽然四个名词都可以与in搭配,但与形容词short搭配的只有supply,表示供应不足。in store贮存之中; in provision有所提供;in reserve保存着。句意:过去,没有鲜肉供