老师建议我重写这篇作文以改进段落结构。

The teacher suggested ___rewriting my essay to improve the paragraph structure.

她花了一整天时间重写论文的开头部分。

She spent the whole day ___rewriting the introduction of her essay.

程序员正在重写网站的登录系统以增强安全性。

The programmers are ___rewriting the website's login system to enhance security.