聽錄音，選詞填空，補全短文．本錄音內容讀兩遍．
Bob is my friend． Last year， he was very

（fat/strong）． Do you know why？ Because he

（has/had） bad habits． He liked fast food． He didn't eat vegetables or fruit very often． He didn't do exercise． So he

（become/became） fatter． He

（felt/feel） very sad． He wanted to make a change．
Now he does exercise every day． He

（doesn't/don't） eat fast food． He eats more vegetables and fruit． He is very strong and

（health/healthy） now． Please remember that good habits are good

（to/ for） you． Let's say "No" to bad habits．