(2013·陕西西安名校第五次模拟)Our bad living habits will destroy the earth.Only by changing________we live can we save the earth.

We’ll have to wait a ________ two weeks to know the examination result.

填入下面句子空格处的语句，最恰当的一组是（ ）专注痴迷于创造的沉酣而不作世故的权衡和功利的算计，是进入最佳创作状态和确保艺术神圣与纯洁的前提。前人早已发现：人， ﹔ 。艺术品格的滑坡往往是经不住非艺术的种种诱惑而造成艺术本身相对独立性的丧失。

The snow makes them ________ cold, so they plan to make a fire _______ warm.

not be a great suggestion. But before ________ is put forward, we’ll make do with it.