Writting
Instructions: Complete the paragraph below with the words in the box.
Why were vaccines a great innovation?
Disease is one of man´s greatest enemies.Between 1347 and 1351 , about 25 million people in Europe._______________ bye the Black Death . Before vaccines, people________________ from disease. The first vaccine_______________in about 1800, but the theory_______________for another 50 years. Today , vaccines________________ to most children in developed world, but more vaccines_____________in poorer countries.
1. were killed
ResponderEliminar2. were not protected
3. was made
4. was not understood
5. were needed
6. were given
Blanca Escobar
1.were killed
ResponderEliminar2.were not protected
3.was made
4.was not understood
5.were needed
6.were given
ALLAN REYES
1- were killed
ResponderEliminar2- were not protected
3- was made
4- was not understood
5- were needed
6- were given
By: Roxana Gómez Lemus
1- were killed
ResponderEliminar2- were not protected
3- was made
4- was not understood
5- were needed
6- were given
REYNALDO ZUNIGA