Nika123Nika 2)Are...playing? Yes,they are
3)Is.....biting? Yes, it is
4)Is.....playing?No,she isn't
5)Are.....jumping?Yes,they are

АлинкаSupSonico Are Robert and Peter playing on the computer?Yes , they are. It the dog biting the armchair? Yes, it is .Id Sandy playing the piano? Ni, she is not . She play the guater. Are Jake and Tom jumping on the sofa? Yes, the are