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知识目标：一. 句型：1.He’s riding his bike, but it’s starting to rain. 2.She’s eating dinner ,but the phone is ringing.学习目标:听、说、读、写四会词组          会用but造句子。情感目标：谈论某人正在做一件事时，另一件事同时发生。
学习目标
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He / She is…but…
Daming is playing the trumpet, but the phone is ringing.
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