________twiceayear，whetheritisacar，abusoratruck，isarule...

问题详情：

________ twice a year，whether it is a car，a bus or a truck，is a rule that every driver must obey in this city.

A．Examining  B．Examined

C．Having been examined  D．Being examined

【回答】

D　[考查非谓语动词。句意：无论是汽车，公交车还是卡车，每年检查两次是这个城市的每个司机都要遵守的规则。根据句意可知此处应用examine的动名词的被动式being examined作句子的主语。故选D。]

知识点：非谓语动词

题型：选择题