―Did you have a sound sleep last night?―Yes, never slept________.     

-What do you think of the traffic in our city?-lt's    than it used to be, but there's still a long way to go.

They have just cleaned the windows, so the room looks ______.

--We spent all our money because we stayed at the most expensive hotel in town.--Why didn’t you stay at _________ one?

Chinese becomes one of the world’s _____________________________ .