发帖
雷达卡
10
Air
factory
smoke
dirty
clean
Read and spell
What’s the matter, Kitty? Are you crying?I’m not crying. My eyes hurt. It’s the smoke.Where is the smoke from? It’s from the cars and buses. Look at the black smoke from the factory. It makes the air dirty.Let’s go to the park, Ben. The air is clean there. OK.
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