【题目】A man would be foolish to collect antique automobiles if he lives in an apartment. ________________
在线课程【答案】lives改成 lived
【解析】考查虚拟语气在条件状语从句中的用法。表示与现在事实相反的情况，其句型为“ if+ 主语 + 动词的过去式（ be 动词用 were ），主语 +would / could / might / should + 动词原形”。所以lives改成 lived。