Failure is never pleasurable,but it can make a positive contribution to your life ___you learn to use it
For sustainable development, the government has decided to give __________ to those energy conserving and environmental-- friendly business in many aspects.
I counted the people the activity, and there were 286 of them.
They had kept working for several weeks everything was in order.
The headmaster who had the grand ceremony waved to the crowds with a smile .
When the market economy is introduced, many factories will not .