题目内容
19.---Stricter laws concerning global warming have to be put into effect.---I agree.There is a long way to go ______we can take a comfortable world for granted again.( )
A. | after | B. | when | C. | if | D. | before |
分析 ---关于控制全球变暖的更为严厉的法律不得不实施了.
---我同意,在我们再次过上舒适的生活之前,还有很长一条道路需要走.
解答 答案:D 本题考查时间状语从句,联系上下句,应该表示的是…之前的一个动作,四个选项中自由D合适,意味:在我们再次过上舒适的生活之前,还有很长一条道路需要走.
点评 解答该类题时,首先要对选项用法有深刻的了解.确定它们各自不同于另外三项的用法,再结合选项,将其带入句中,一般语意逻辑通顺,即为正确答案.
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A. | has worked | B. | had worked | ||
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