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`so…that…引导结果状语从句
1、在so…that…句型中,so后面加形容词或副词,其意为“如此……以至于……”.如：
1) This book is so interesting that everyone wants to read it.
这本书很有趣,人人都想看看.
2) He ran so fast that I couldn’t catch up with him. 他跑得那么快,我没赶上他.
2、so… that…引导的是表示结果的状语从句,但不一定是“如此……以至于……”.如：
1) The workers did so well that he was pleased with them. 工人们干得很好,他对他们很满意.
2) I was so busy here (that) I had no time to write a letter.
我在这里很忙,没时间写信.