The group was set up...为什么不是setted up?

The group was set up in 1980(同义句) The bad news__ a panic last monthA：set up B:setted up C:sets the internet (was set up).set不是v吗,为什么在be后? When was the World Health ()(organize)set up?用正确形式填空.为什么填org where was the first Disneyland set up ?是什么意思 英语翻译The British Broadcasting Corporation(BBC) was set up and They set up a group（ ）（作战）against the destruction of thrainf A monument was set up in honor of the heroes who gave up the 选哪个,请给出原因,A.were set up B.was set up C.be set up D.set up "it was 1970 that the school was set up in"有没有语法错误 几道初2英语题1. He found two boys (set up) the Flower Band 为什么set The monument was set up in honor of the soldiers who died in