_______you know this pretty girl?
The program also provide them _____ job training so that they can live a normal life.
―How many children are there in your family ?―So many there used to be, but now I am_______ an only child.
It’s so crowded here. Let’s make some ______ for the baby.
_____ the environment is important for human beings.
In order to find ____ better job, my sister decided to study ____ second foreign language.