Is it a cat?
Is it Alla's pet?
Is she nine?
Is he a pupil?
Is the pupil ten?
Are they little?
Are the pupils ten?
Are the cats black?
Is Ivan in Samara?
Are we at home?
Are they cats?
Are the hats in the box?
Is mum sad?
Are Mum and Dad sad?
Is Marina's bike green?
Is the crocodile angry?
Are the crocodiles angry?
Are the frogs funny?
Is frog funny?
Are we strong?
