题目内容
2．Tom looks veryunhappy（ happy）．What's wrong with him？分析 汤姆看起来很不高兴，他怎么了？
解答 答案：unhappy．考查形容词．句意"汤姆看起来很不高兴，他怎么了？"．happy高兴的，开心的．形容词．结合语境"他怎么了？"，应是看起来"不开心的"，用否定形式unhappy．
点评 单词填空类型题要充分理解句意，再根据单词提示完成试题，注意时态，单复数，词性等变化．
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