* Rewrite the stories using past tenses. a) It (is) a beautiful sunny day in New York City on September 11, 2001. John (is taking) a walk with his three-year-old son near the World Trade Center when the first plane (flies) into the North Tower. He (hears) a loud boom that (shakes) the ground, (looks) up and (sees) the tower in flames. Instinctively, he (picks) up his chd and (starts) running. He (doesn't know) if it'(s) an accident or not. When a second plane (crashes) into the South Tower, he (calls) his wite who (is) away on a business trip and he (tells) her what (is happening). He (reassures) her, (tells) her that they (are) safe and that they (are going) back home. When the South Tower (collapses). everyone (screams), but john (keeps) walking.

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