小路蜿蜒穿过森林。

The path ___snakes through the forest.

花园里有一条蛇在草丛中滑行。

A ___snake was slithering through the grass in the garden.

小心那个人，他是个阴险的蛇，经常在背后捅刀子。

Watch out for that guy—he's a ___snake who stabs people in the back.