Hast du ein Haustier?

How well do you know the German words for pets?
Can you choose the correct word for 'a' or 'no' in sentences about pets?

Use einen/keinen with masculine (der) nouns.
Use eine/keine with feminine (die) nouns.
Use ein/kein with neuter (das) nouns.
Use keine with plurals.
These are the spellings of a/no for the object of the sentence.