Galileo said that the earth ......... round.

Question

a/ is

b/ were

c/ has been

d/ was being

Answer 1

a/ is

b/ were

c/ has been

d/ was being

Vì đây là một sự thật, là một chân lí hiển nhiên nên ta không lùi thì --> HTD

Dịch: Galileo nói rằng trái đất hình tròn

Answer 2

Galileo said that the earth ......... round.

a/ is

b/ were

c/ has been

d/ was being