1.Departure from tradition needs enormous courage.
2.Tom used to be very shy,but this time,he was so bold that he can give a performance in public.
3.In numerous educators' views,it's desirable to foster children's creative spirit since their childhood.
4.Assuming that painting is exactly a masterpiece,do you think it's worthwhile to buy?
5.These data statistics will throw light on the problems we investigating if they are valid.
