Question

Penicillin ... discovered by Alexander Fleming... 1928.
discovered, in
was discovered, at
was discovered, in
discovering, on​

Answer 1

Penicillin was discovered by Alexander Fleming in 1928

Answer 2

Ответ:

was discovered, in

Объяснение:

was discovered через те, що це минулий час, а in ми використовуємо коли говоримо про рік в данному випадку in 1928