Question

8 или 9 сделайте пожалуйста

Answer 1

#8
2) were… discovered
3) are infected
4) aren't transmitted
5) is… passed
6) was described
7) are spread
8) isn't passed

#9
2) are given
3) was discovered
4) wasn't used
5) was produced
6) aren't treated
7) is told
8) is left
9) are vaccinated
10) are given