always think __ important to learn english well.

题目

always think __ important to learn english well.
为什么不是it`s

答案

两者皆可.
think it +形容词 to do sth 认为做某事是.的（单句）
think (that) it's +形容词 to do sth (复句）
两者在中学里,经常进行句型转换练习.
与think有类似用法的还有：believe,feel ,find ,guess ,consider等.