neat

她的书桌总是很整洁，所有东西都井井有条。

Her desk is always ___neat and everything has its place.

她想出了一个简单有效的办法来解决这个问题。

She came up with a ___neat way to solve the problem.

公园里铺设着干净整洁的步道。

The park has a clean and ___neat pathway.