公式042
It+be+形容词+that从句
● It is obvious that he doesnt know how to repair a car.
非常明显，他不了解如何维修汽车。
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公式042
It+be+形容词+that从句
● It is obvious that he doesnt know how to repair a car.
非常明显，他不了解如何维修汽车。
