【题目】I’m afraid there might have been an audience of about 100,000 watching his live concert in Bird Nest last night, ________?
A. weren’t there B. didn’t there
C. haven’t there D. hadn’t there
在线课程【答案】A
【解析】考查反义疑问句 句意：恐怕昨晚鸟巢有近十万观众看他的现场音乐会，是不是？依照句子的时间状语last night可知表示的是对过去的推测，同时依据宾语从句反义疑问句的规则可知需要与从句保持一致，故选A项正确。