_________ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.(1分)
AExamining
BExamined
CBeing examined
DHaving been examined
出自:山东第一医科大学2022年下半年英语2(本)在线考试

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块