- Samuel Morse invented the telegraph.
- A little more than thirty years after the telegraph was invented, the telephone replaced it.
- Today’s telephones are more advanced than the ones used in 1876.
Now review what you have learned about the Communication Revolution.
Complete each sentence by choosing the right word or phrase.
1. Samuel Morse invented the
.
2. A little more than thirty years after the telegraph was invented, the
replaced it.
3. Today’s telephones are
than the ones used in 1876.
1 answer