专题一句子成分教师备用题库单句填空The hospital has recently obtained new (medicine) equipment, allowing more patients to be treated.答案medical空格处在句中作名词equipment的定语,结合语境可知,空格处填形容词medical。单句改错1.A company where profits from home markets are declining may seek opportunities abroad. 答案wherewhose分析句子结构可知,where profits from home markets are declining为定语从句,关系词在从句中作名词profits的定语,故where改为whose。2.So if they had said was true, I would have a chance of winning the prize. 答案theywhat在题干中“they had said”为主语从句,从句缺少成分,引导词在从句中作said的宾语,故在they之前添加what。