Nowadays, more and more people are dedicated _____ the poor in the remote areas.
Every time ______ I go to school, I am usually riding my bike, _____ I take a bus.
_____ 20 girls Class 10 ______ another 30 boys.
He used to be a popular singer, but drug ____ his ruin.
The Group of Eight (G8) ______ the eight richest countries in the world.
I recognized her ______ I saw her.