1 . I hope my suggestions will ________ ________ ________ ________ ________ (对你有益处)。(根据汉语提示完成句子)

3 . In this section, we will____________(简要地)describe possible ways of reducing the costs.

4 . It was difficult to save the palaces and buildings ______________________________ (而不破坏它们原来的美). (without, destroy)

5 . It is the airlines rather than the unpredicted weather _______________ for most delayed fights.   (blame)
是航空公司而不是难以预测的气候应对大部分的飞机延误负责。

6 . She and her family hid away for nearly twenty-five months ___________. （discover）
她和她的家人躲藏了两年多之后才被发现。