Mr. Smith is the only one of those foreigners who in China. A．work B．is working

Mr. Smith is the only one of those foreigners who ________ in China.

A．work 　 B．is working C．are working 　 D．had working

试题答案

B

先行词为the only one of those foreigners，表示单数含义，故定语从句的谓语动词用单数，排除A、C两项；题干中没有明确表示过去的时间状语，故排除D项。