1) Texting while walking is... a) safer than driving and texting. b) worse than driving and texting. c) as dangeous as driving and texting.  2) Some people can be hurt in their ... a) heads b) backs c) hands 3) Too much running could make our lives.. a) safer b) shorter c) happier 4) How many runners did the researchers look at? a) thirteen hundred b) thirty-three thousand c) three thousand three hundred 5) A doctor who started running in nineteen sixty-seven... a) is very happy b) said some exercise is good c) thought his heart wasn't strong

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