It is very important for English teachers to have a knowledge of the theories of language_______. 

Festivals are a great time for people to meet friends and enjoy each other’s _____.

____ it is to skate on real ice in winter!

— Have you any idea where he comes from?— Judging by his __________, he must be from Hunan.

---- I heard you bought a new flat, didn’t you? ---- Yes.We can get a wonderful ______ from our front room.