YoursisterhasbeenunhappysinceshefailedtheEnglishexam,

来源：语文精选馆 3.05W

Your sister has been unhappy since she failed the English exam, ___________?

A. hasn’t she B. has she C. didn’t she D. did she

A。(1)反意疑问句的附加问句应该跟陈述部分一致。

(2)unhappy不属于否定句，它只是形容词，所以附加疑问句仍要用否定式。