昨天那则好消息使我们都高兴. (please)
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所有的教室昨天都打扫了一遍.
As the old saying goes, God helps those who help (他们自己).
The man is happily (描述)what he saw during his winter vacation.
It's good manners to keep your (声音) down in public.
The restaurant offers different kinds of seafood,which (品尝)good.