I'm so ______ to hear the good news A happy B happiness C sad D sadness

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A happy
be动词后加形容词，happy为形容词，且根据good可判断出是喜悦的

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A happy
be happy to do sth,
be动词后跟形容词

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A happy
am后接一个形容词

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A happy
这里芦消填枝蚂形容词,而且是高薪的意思
B happiness为名猛哗埋词 C sad D sadness为伤心的意思

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选A,因为有GOOD NEWS,BE动词加adj

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这还来问 A吧

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