After the war,a new school building was put up ____there had
2个回答

After the war,a new school building was put up / where there had once been a theatre.

第一个小分句:

状语:after the war战后

主语:a new school building新学校大楼

谓语:was put up被建立

第二个小分句:

there be句型,表存在有

所以全句翻译应该是:战后,一座新的学校大楼(或教学楼)建立在了原本是剧院的地方.