老鹰在天空中盘旋，寻找它的猎物。

The eagle circled in the sky, searching for its ___prey.

骗子常常把新移民当作他们的猎物。

Con artists often choose new immigrants as their ___prey.

老鹰经常捕食田野里的兔子。

Eagles often ___prey on rabbits in the fields.

这个坏消息一直困扰着他，让他无法入睡。

The bad news ___preys on his mind, keeping him awake at night.