1.The company business have had some troubles since the son of chairman of the board inherited his father\'s business.
2.You aren\'t be able to appriciate the modern arts unless you know aesthetics.
3.I didn\'t purchase the old vase although I like it very much, for it is too expensive.
4.You can help yourself to choose any item you like in the boutique,but you should pay for them at the exit if you want to own them.
5.None of us can avoid making mistakes,but the utmost important thing is to correct mistakes immediately.