"The cat drinks water."

Translation: O gato bebe água.

[Unl0ck3r]

The cat = A gata / O gato. Remember that we are supposed to mark all the correct answers. I marked those two and it was correct.

[lojbanlorxu]

"O gata bebe agua" O gata, sneaky program, sneaky

[tomspug]

O gato bebe água. correct answer, marked as incorrect

[Alfabladet]

Is bebem only plural?

[cinthiia_mc]

Yep. Vocês bebem, eles bebem, elas bebem.