In common with many people，I like white colour as it is a ________of purity.

She made a ______ in our plan to play basketball when it started to rain.

The police always take ________ of dogs’ sharp sense of smell to search for the survivors in the earthquake.

John has got a bad fever these days, and he says he doesn’t want to see a doctor, but I’m afraid he has no______.

This book gives a brief ________ of MoYan’s growth and details of his writing experiences.