Заполните пропуски глаголом "to have" или "to be" в соответствующем времени. 1. a contaminated object one that contains bacteria. 2. bacteria found in various parts the body. 3. the presence of bacteria does not mean necessarily that a disease process been established. 4. a strain that reduced virulence is said to be attenuated. 5. man and animals several defense mechanisms for destroying invading bacteria.
2 was
3 has
4 has
5 have