I think _____ important to listen carefully to the teacher in cla_英语解答

I think _____ important to listen carefully to the teacher in class空应该填it还是it's,原因

人气：357 ℃　时间：2019-09-18 01:34:18

解答

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