Put the verbs in brackets into the Present Simple or Present Continuous
Tense and read the joke.
It is evening. Vicky's father (to go) along the corridor to
the bathroom. Suddenly he ... (to hear) his daughter speaking
to somebody in the bathroom in a kind voice. He ... (to open)
the door.quietly. Little Vicky (to hold) a cat in her arms
and ... (to clean) its teeth with his tooth-brush. «What ... it
(to mean), Vicky?» father ... (to shout). «Why ... you ...
(to clean) the cat's teeth? Cats ... (not to clean) teeth!» «But,
father, you always . (to say) that everybody ... (to clean)
teeth. So we (to clean) our teeth with this tooth-brush
every evening».​