The children were surprised by the sudden _____ of their teacher.            

My morning _______includes jogging in the park and reading newspapers over breakfast.

Fengjun，_______ president of Aigo Technology Company, is the second Chinese billionaire to promise        _________all-donation after Chen Guangbiao.

There is strong evidence that the          of a father increases the probability that a youngster will use drugs and engage in criminal activity.

.Government should adopt laws that would ban advertising and other types of________of tobacco products.