People like to shop in the supermarket because they are interested in the ________ of goods on offer and can buy whatever they want.

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

This extra effort makes a lasting _________, the kind that often results in some fortune with extra business.

---Don't be so naughty! Be your ________.---Got it. 

With a good ______ of both Chinese and English,she had an advantage over the other interviewees.