— I telephoned him twice and I couldn’t get through to him. —The line might have been out of order,

题目简介

— I telephoned him twice and I couldn’t get through to him. —The line might have been out of order,

题目详情

— I telephoned him twice and I couldn’t get through to him. 
—The line might have been out of order, _______?
A.don’t youB.wasn’t itC.do youD.hadn’t it
题型:单选题难度:中档来源:不详

答案

B
本题考查反义疑问句。情态动词 +have done  其后的反义疑问句,有表示过去的时间状语时,由主要动词决定用 did 、 was 获 were ,没有时间状语时借助于 have 。此题在对话中暗含了过去的时间状语,因此选 B 。

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