题目内容：

英语反意疑问句I think it's impossible for him to finish it in ten minutes.网上怎么都说是is it
我怎么感觉是isn/t it 呢,我认为里面有impossible

优质解答

I think it's impossible for him to finish it in ten minutes, 【isn't it】?解释：1、这里考察的是反意疑问句.2、当陈述部分含I think (believe, suppose...)that... 结构时,其反意疑问句须与从句的主、谓语保持...