1.Jenny's brother's been at this school for over two years,___?A.isn't he B.hasn't he

问题描述:

1.Jenny's brother's been at this school for over two years,___?A.isn't he B.hasn't he

答案:B
解析:Jenny's brother's been at this school for over two years.这个句子是现在完成时,其结构:has + 过去分词been,所以Jenny's brother's 是 Jenny 's brother has 的缩写
反义疑问句:前肯,后否,所以用:hasn't he?
不明白的再问哟,请及时采纳,多谢!