_____ is thought to be good for people and society is necessary _____. [ ]

There is __________ “c” and _______“l” in the word “colour”. an, an

It was during the Ming Dynasty________the Great Wall was repaired and extended to take on the appearance it has today

Helen draws much better than _______ student in herclass.

对下列文学常识的解说，不恰当的一项是