----Must I do well in all the subjects, Mum?----Sure, baby! As an old saying goes, knowledge is _________.

I bought a dress for you only 10 dollars in a sale; it was a real _____.

A mailman in America has taken ________ from the popular children’s cartoon and carries his deliveries out with a cat accompanying him.

China has got a good ______for fighting against the flu with its careful and smooth organization.

After the disaster, the first thing the local government did was to provide _____   for the homeless families.