---- ________ is the pair of trainer shoes? ---- It ________ me 200 yuan.
Welcome to our store. We have skirts ___________all colors ___________$16 each.
—___________is the World Cup held? —Every 4 years.
There are _____ oranges on the table.
We cannot live _____ air.
I saw _____ boy walking across _____ street today.