Remember that you can go back and review this section as many times as you need to.

你可以随时按需要回头复习这个部分哦。

If not, remember that you can review each section as many times as you need to.

如果没有， 请记住您可以根据需要多次查看每个部分。

If you aren't sure why number three is the answer, remember you can review this section as many times as you need.

如果你并不确定第三个是不是正确答案，记住你可以多回顾几次这个部分。