In 50 years people (1) ( not clean) their houses. robots ( 2) (clean) them. children ( 3) ( not go) to school. they (4 ) ( have) lessons at home. people (5) ( not swim ) in the sea. they (6 ) ( go) on holiday to the moon. animals (7) .. ( not live) in the zoo. they ( 8) .. ( stay ) in people's houses. : read and write . огромное