I’m sorry.We have________the shoes in your size.
______ trees are cut down in the forests every year.
The population of the world in 20 century became very much _____than that in 19 century.
If I’m free,I’d like to spend ______holiday in Dunhuang.
----_______ do you have out with your friends? ----Once a week.
The accident took place ______ a cold February evening.