1.It needs enormous courage to make a d eparture from the tradition
2.Tom used to be very shy , but this time he was bold enough to give a performance in front of audiences .
3.Many educators think it desirable to develop the creative spirit in the children at an early age .
4.Assuming this painting is realy? a masterpiece , do you think it ’ s worthwhile to purchase it ?
5.If the data is statistically valid , it will help us? for the problem we are investigating .
