COMPLETE AS SENTENÇAS COM SINCE OU FOR:DE ACORDO

12. Buddhism ___has______ been a major religion in the Far East ________ more
than two thousand years.
13. The sun _has______ been in the center of our solar system ________ millions
and millions of years.

14. My parents have________ had their house ________ quite a few years.
15. Washington, D. C., _has_______ been the capital of the United States
________ 1800.
16. I ___have_____ known my best friend ________ I was six.
17. The Eiffel Tower __has______ been a famous tourist attraction ________ the
time of its erection for the Paris Exhibition in 1889.
18. Relations between those two countries _have_______ been bad ________ the
end of the last war.
19. Christianity __has______ been an important religion ________ almost two
thousand years.
20. The Red Cross has been an important international organization ________
1864. It ________ helped people ________ many years.
21. The Soviet Union has ________ been a socialist state ________ 1917.