I think _____ important to listen carefully to the teacher in class空应该填it还是it's,原因
问题描述：
I think _____ important to listen carefully to the teacher in class空应该填it还是it's,原因
答
两个都是对的
填it的话就是it做形式宾语,impotant做宾语补足语
填it's就是it+is +adj+to do sth这种句式