Miss Wang is a cashion.(就划线部分提问)

Miss Wang is a cashion.(就划线部分提问)
_____ _____Miss Wang ______?
改错
5.There is a little air pollution in the country than in the city.
_________

Miss Wang is a cashier.(就划线部分提问)
What does Miss Wang do?
改错
5.There is a little air pollution in the country than in the city.
a little 改为less,因为是比较级.