A ufo sighting

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Age: 15+
Level: 9
Language: English (en)
ID: 963605
01/05/2021
Country code: CO
Country: Colombia
School subject: English as a Second Language (ESL) (1061958)
Main content: Present Perfect Simple and Continuous (2012372)

auxiliar have

Other contents: Past participle

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A ufo sighting

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