On the morning of September 11, 2001, computer sales manager Michael Hingson , who is blind , went early to his office on the 78th floor of the North Tower of the World Trade Center to prepare for a meeting . As Michael worked , his guide dog , a Labrador retriever _______(name) Roselle, dozed by his feet.
At 8:46 a.m, a tremendous boom rocked the building , eliciting screams throughout the floor . Michael grabbed Roselle , trusting that the dog _______(lead) out of the danger, and they navigated their way to a stairwell.
“Forward,” Machael instructed , and they descended the first of 1,463 steps to the lobby._______ about ten floors , the stairwell grew crowded and hot ,and the fumes from jet fuel had made it hard to breathe. When a woman became crazy , yelling that they wouldn’t make it. Roselle accompanied the woman ________she finally petted the dog , calmed herself , and kept walking down the stairs.
Around the 30th floor, firefighters started passing Michael on their way up . Each one stopped to offer him assistance. He declined but let Roselle be petted, _____ (provide) many of the firefighters with _______ would be their last experience of unconditional love.
After about 45 minutes ,Michael and Roselle reached _____ booby ,and 15 minutes later ,they emerged outside to a scene of chaos . Suddenly the police yelled for everyone to run as the South Tower began to collapse.
Michael kept a tight grip on Roselle’s harness , using voice and hand commands, as they ran to a street opposite the crumbling tower . The street bounced like a trampoline , and “a deafening roar” like a hellish freight train filled the air. Hours later , Michael andRoselle made it home safely . At that moment , they thought they were _______(lucky ) in the world.
In 2004, Roselle developed a blood disorder , ______ prevented her from guiding and touring . She died in 2011.
“ I ‘ve had many other dogs ,” Mechael wrote , “but there is only one Roselle.”
Named ; would lead , after; until ; providing ; what; the; the luckiest; had been trained; which