as long as/so long as
“I think we should continue walking as long as we can see where we're going,” I said.
上句中的 as long as 能否用 so long as 来替换?
当 as long as 和 so long as 用作连词，作“只要、如果(provided that, only if)”解时，它们是可以互换的。故上句中的 as long as 可以换为 so long as。请观察下面的实例：
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“Have dinner with me.” “Ok, so long as you let me pay for the wine.” “和我一起吃饭吧。” “好吧，只要你让我付酒钱。”
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We'll let you drive so/as long as you have a valid license. 只要你有有效的执照,我们就让你开车。
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Then as long as your medical examination proves to be satisfactory, I'm quite prepared to offer you the job. 那么，只要你的体格检查结果令人满意，我很愿意把这份工作交给你。
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I'm happy as long as you are happy. 只要你幸福,我就感到幸福了。
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So long as you make Ruth happy I'm content. 只要你使露丝幸福,我就满意了。
但是,当用于同级比较时,在肯定句中只能使用 as long as,而不能使用 so long as。
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You can stay here as long as you want. 你希望在这里呆多久就呆多久。
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This river is as long as that one. 这条河与那条河一样长。
请做下面的英语试题(改错题):
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Waiting for a plane to take off from an airport can often take so long as the trip itself. A B C D
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People in industrial countries can expect to live for twice so long as people who lived a few hundred years ago.