Completar frases NorthStar 5 L&S Unit 2 grammarVersión en línea Read the conversation. Click on the correct word to complete the sentences. You should click on the words on the right in order. por José Rojas 1 couldn't can't have is should not been must 1 . SILVIA : They all say they were at home when the crime was committed , but someone lying . MARY : Well , it be my roommate Tara . I spent all day with her . And I talked to Ahmed , he was at his house with his girlfriend all day , so it wasn't him . But I saw Joseph leaving the dormitory . SILVIA : Then , Joseph be lying . 2 . TEACHING ASSISTANT : The students already known what plagiarism is , but apparently some of them didn't care too much . Some of the papers presented were copies from articles on the Internet . PROFESSOR : They must have heard my talk about the seriousness of plagiarism , I assume . 3 . DAVID : Do you think Marcus was lying when he said he had never had a traffic violation ? RICHARD : He have telling the truth . I saw a speeding ticket on his desk the other day .
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