5、…敏感.________vain徒劳.findfault________sb.找某人的错,找茬.________marriage________sb.向某人求婚.straight________立即;马上.pulloneself________立起身来.thinkill________对……评价不高.doeverything________one’spower________竭尽全力做某事答案:against at to in with propose;to away up of in;toⅢ.必背句型.________________,Ihadtoclimbapin