高中英语被动语态知识点梳理
单选题(经典例题高频考点-名师出品必属精品)
1、Three-fourths of the homework ________.
A．has finished
B．has been finished
C．have finished
D．have been finished
答案：B解析：考查语态和主谓一致。句意：四分之三的家庭作业已经被完成。主语
homework
和谓语动词
finish
之间是被动关系，应用被动语态，且
homework
是不可数名词，助动词应用
has。故选B项。2、Currently, an online bus-pooling service ________ by the public transport authority in Beijing.
A．is built
B．is being built
C．has been built
D．wasbuilt
答案：C解析：考查动词时态语态。句意：目前，北京公共交通部门已经开通了在线拼车服务。根据时间状语
“Currently”
可知，此处应该用现在完成时；主语
“an onlin ...