They were all very tired, but ______ took a rest.

---- ____of them is your English teacher? ----The man wearing a blue coat.

----Excuse me, John. Is there __________ in today’s newspaper? ----No, ________________.

I’m moving to the countryside because the air there is much fresher than ________ in the city.

Understanding the cultural habits of another nation, especially ____________ containing as many different subcultures as the United States, is very difficult.