Question

— Where was your father when I called you, Tony?— He ____________ his car. A．washes B．wash

— Where was your father when I called you, Tony?— He ____________ his car. A．washes B．washed C．is washing D．was washing

Answer 1

D

根据问句内容可知问的是当我打电话给你时，你的父亲正在做什么，故其答语应该为过去进行时，其结构是：主语+were·was+doing sth，故选D，符合句子结构。