Recently the newspapers have reported several __________ of the coal mines happening in different provinces in China and the government has taken effective measures to stop such things.

The dam is 3800 ___. It is a 980 ___ dam at the base.

 My parents always let me have my own______of living.

In order to prevent people spreading rumours through the Internet, the government decided to place ______ on the freedom of spreading news on line.

-------He says that my new car is a ____________ of money. -------Don’t you think those words are just sour grapes?