Question

【题目】—What did Mr. Brown do before he came to China?

—He in a car factory.

A. works B. worked C. is working D. will work

Answer 1

【答案】B

【解析】句意：——布朗先生来中国之前做什么？——他在一家汽车厂工作。考查动词时态辨析题。根据问句What did Mr. Brown do before he came to China?，before在以前，可知需用一般过去时，动词需用过去式。worked是work的过去式，故选B。