_____ twice a year, whether it is a car or a bus, is a r Wap版

试题详情及答案解析

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

A．Examining	B．Examined
C．To examine	D．Being examined

答案：D

试题分析：分析句子结构可知，空处在句中作主语，故要用动名词形式，排除B、C，句中有whether it is a car or a bus，所以主语应为轿车或公交车被检查，应用被动形式。故选D。
考点：考查动名词作主语