Aplicația este accesibilă de pe ecrane late

Alexander Graham Bell taught in a school for (people who cannot hear)
Watson and Bell tried to send speech through (a thin piece of metal).
In Philadelphia there was a large (show where people see new things ) called the Centenniaf Expos ition.
Bell's father was a (person who knew a lot about and had training) in phonetics.
Bell and Watson stayed in a (house where there were many rooms to rent).
Bell began to (try new ideas) with a machine to help people who could not hear.
One of the (interesting things to see) at the Centennial Exposition was Bell's "talking machine."
When he heard the words, Watson (went quickly) upstairs, ran into Bell's room, and shouted, "l heard you!"