encompass|encompassed|encompasses

高墙完全环绕着这座古老的城堡。

The high walls ___encompass the entire ancient castle.

连绵的山脉完全环绕着这个小村庄。

The mountain range ___encompassed the small village completely.

这座山脉完全环绕着整个山谷。

The mountain range ___encompasses the entire valley.