Sarah
is a bored teenager. If she 25) ... (join) a club, she 26) ... (make) more
friends. She 27) ... (enjoy) herself if she 28) ... (go) out more. Her
schoolwork is suffering too. If she 29) ... (study) more, she 30) ... (have)
better marks and she 31) ... (enter) university. Unfortunately, she is
becoming overweight. She 32) ... (feel) fitter if she 33) ... (start) swimming,
and she 34) ... (get) thinner if she 35) ... (stop) eating so much chocolate.