Throughout_______history,Englishlanguagehasgonethroughmanychanges.
Suzhouisbeautiful，_______(尤其，特别)inspring.
Boboften____hismotherwiththehouseworkonSundays.
_______(不幸地),theyhadnomoneyfortheirmother'smedicaltreatment.
句子翻译：我认为这是我所看过的最有趣的电影。
ChairpersonXicallsonustodowhatwecan_______asmuchaspossible.