Inglês, perguntado por laiscostapereira58, 8 meses atrás

The polio vaccine ___________________ by Dr. Albert Sabin in 1957. (develop) *

0 pontos

be developed

was develop

was developed

were developed

Soluções para a tarefa

Respondido por manuferreirat
2

Resposta:

was developed

Explicação:

The polio vaccine ___________________ by Dr. Albert Sabin in 1957. (develop) *

the polio vaccine= it = was

develop= developed

Respondido por carolalgss
1
A resposta é was developed......
Perguntas interessantes