Don't eat more junk food,or you will be fat and unhealthy.
Eat less junk food and you will be healthy and strong.if you drink too many soft drinks ,you wil be fat and ugly同上drink ________ soft drinks,________ you will be fat and uglyDrink less soft drinks ,or you will be fat and ugly.为甚是or?Or 意思为否则此句意为少喝饮料，否则你会变胖变丑。