be +动词ing形式 现在进行时
描述一个场景，不少于80词
语句通顺，有逻辑顺序。
急！！！
描述班级里面的同学，我们班最近有玩yoyo的，水气球等等
It's raining outside.i'm doing my homework,my dad is reading the newspaper.my mum is watching tv.grandpa is watering the flowers(浇花）。grandma is washing the clothes.sisiter is listening to the music.brother is playing computer game.everyone is busy.
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