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Oh no, am I alone here? I can't find ______ .
everybody
nobody
somebody
anybody
Somebody' and 'everybody' do not relate to the meaning of the sentence. 'Anybody' is used in interrogative sentences, while 'not anybody' is used in negative sentences. We cannot use 'nobody' because of the double negation which is impossible in English.
Chris moved from parents when he was 18. He has lived by ________ since that time.
he
his
himself
him
By himself' means 'alone'. We cannot use any other form of a pronoun in this phrase.