Question

Grammar: The passive 4 Find the sentences in the text and complete them with the correct verb forms. Present Simple passive Vaccinated. against many Nowadays, people common diseases. How is an infection passed on? AIDS isn't spread by coughing or kissing. Past Simple passive Sick people When was penicillin discovered? were isolated ISO from healthy ones. Vaccines weren't known until the fifteenth century.​

Answer 1

Ответ:

People are now vaccinated against many common diseases.

An infection is passed on by various means.

AIDS isn't spread by coughing or kissing.

Sick people were isolated from healthy ones in the past.

Penicillin was discovered in 1928 by Alexander Fleming.

Vaccines were not known until the fifteenth century.