Nothing he did was helpful to solve this problem, _______?

you like to________usWe are going to________the school’s 20th anniversary celebration on May 1,2015.

31—–She missed her train to London,____she didn”t seem to care —- Well, there is anotherl one in 15 minutes

u regret paying five hundred dollarsfor the painting”“No, I would gladly have paid______for it.”

下列各句划横线处，成语使用恰当的一组是①在夏季减肥食谱中，有四种食物位于爱美女士们的黑名单，被排除在减肥食物之外，千万碰不得，否则会让你的努力___________！②可下半场的最后5分钟内，我们差点将全场的努力________，所以说我们要拿下一场比赛还是要在5分钟之后才能确保，在最后5分钟内，对手有3次很好的机会，如果我们想要成为“英东杯”冠军，就要避免这些状况。③这90户业主不肯退铺，让大华公司以回购商铺的方式解决大润发购物中心困境的努力______。