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

问题描述:

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

其实it和it's都是可以的。
I always think that it's important to learn English well.
这里省略了that引领的从句。

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.