If teenagers reduce their sugar intake, they will be able to concentrate better., , Occasional sugary snacks and drinks are fine, as long as you don’t overdo it., , Provided that you have a healthy diet, some crisps now and again won’t do any harm., , If snack bars had been banned from schools, children would have grown up with healthier eating habits., , Teenagers wouldn’t learn how to make healthy food choices if a variety of food wasn’t available., , Snack bars are OK, on condition that they aren’t labelled “healthy” or “nutritious”., .

10A Conditional Structures

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