following few lines are inappropraite usage of certain highlighted(in the brackets) words.Can someone plz tell me the defect in the sentences. <br/><br/>1.Ranjit may [help] himself with the beer in the fridge. <br/><br/>2. How do you deal with a friend who doesn't listen to a [reason]. <br/><br/>3.Your suggestion look great on the [paper],but are absolutely impractical. <br/><br/>4. My wife runs profitable [business] in this suburb. <br/><br/>5. Customers have to [service] themselves at this canteen <br/><br/>please help me out in detail with the modification of the above sentences.