Question

【题目】昨晚九点你在做什么呢?

________ at nine o'clock last night?

Answer 1

【答案】What were you doing

【解析】

根据句意，原句是询问过去某个时间正在进行的动作，用过去进行时was/were doing的结构，主语you表示“你”是第二人称，系动词用were。疑问词what表示“什么”，作do的宾语，位于句首的单词首字母要大写，所以空格处填What were you doing。故答案为What were you doing。