Though the key was pressed, nothing ______ on the screen.
—_______ do you clean your room?— Every day.
—Wuhu is a beautiful city.— Yes, and I feel ______ to live there.
English is _________ international language.
—I wonder___ like to be an astronaut(宇航员).—I don’t know, but I imagine it’s exciting.
___ buy your ticket from a ticket machine. There are lots of people there.