guard|guarded|guarding|guards

士兵守卫大使馆的主要大门。

Soldiers ___guard the main doors of the embassy.

一名安全官员守卫着博物馆里的珍贵文物。

A security officer ___guards the valuable artifacts in the museum.

大型犬可以保护牲畜免受狼的袭击。

Large dogs can ___guard livestock from wolves.

五名狱警看守着囚犯。

Five prison officers ___guarded the prisoners.

当时没人在看守他。

No one was ___guarding him.

武装警察守卫着大使馆的主入口。

Armed police ___guard the main entrance to the embassy.