somebody/someone, everybody/everyone, anybody/anyone, nobody/no one
__________ knows what has happened. I am going to ask my mother.
__________ had a microwave ninety years ago.
We can't find __________ to help us with English grammar.
We can't find __________ to help us with English grammar.
Someone and somebody
Someone and somebody have no difference in meaning. Somebody is a little less formal than someone. Someone is used more in writing than somebody. Somebody is more common in speaking.
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