2.—ItelephonedhimtwiceandIcouldn’tgetthroughtohis—Ithinkthatthelinemighthavebeenoutoforder,?A.don’tyouB.doyouC.wasn’titD.hadn’tit为什么答案上选C?

Question

2.—I telephoned him twice and I couldn’t get through to his
—I think that the line might have been out of order,______?
A.don’t you
B.do you
C.wasn’t it
D.hadn’t it
为什么答案上选C?

Answer 1

AB肯定不对,当陈述部分是一个（带that引导宾语从句的）主从复合句时,附加疑问句的主谓要和主句的主谓保持对应关系.但是,当陈述部分的主语是：I suppose,I think,I believe,I imagine,I expect等结构时,附加疑问句的...