问题补充:
The United States of America one of the most developed countries in the world.
A. is
B. are
C. was
D. were
答案:
(答案→)A. is
B. are
C. was
D. were
解析:可联系答.案.网客服索取。
时间:2019-09-28 19:55:47
The United States of America one of the most developed countries in the world.
A. is
B. are
C. was
D. were
(答案→)A. is
B. are
C. was
D. were
解析:可联系答.案.网客服索取。