شرکت در آزمون آنلاین
انگلیسی 3
-
انگلیسی 3
| آزمون شماره 11439
It’s better to start teaching children that no waste or ......... can be emptied on highways.
In 1870, when Alexander Graham Bell was 23 years old, he moved with his family to Canada, where they settled in Brantford. Alexander …… communication machines when he invented a piano that could be heard far away (by using electricity). In 1871, a large school for deaf-mutes asked his father to teach “visible speech” there, but he sent his son … … . Alexander soon became famous in the United States for this significant work and …… many books about it in Washington. Because of this work, thousands of deaf-mutes in the United States of America are now able to speak, though they cannot … … .