It is known to us all that the People’s Republic of China on October 1 1949.A. was foun

问题补充：

It is known to us all that the People’s Republic of China on October 1, 1949.

A. was founded

B. was found

C. founded

D. is found

答案：

A. was founded

(答案→)B. was found

C. founded

D. is found

解析：动词时态语态题。 “建立”是在过去而且是被动所以要用一般过去时的被动语态形式。 句意：我们都知道中华人民共和国成立于1949年10月1日。