Составьте 5 предложений в пассивном (страдательном) залоге,используя следующие слова:
1 предложение: influenza
2 предложение: virus
3 предложение: laboratory
4 предложение: symptom
5 предложение: test

1 İ was come down with influenza.

2 Many varieties of viruses are being discovered nowadays.

3 A lot of experiments were made in this laboratory last week.

4 A symptom of unknown disease was detected in the African tribe.

5 These cream has been tested several times.