The government faces the formidable ___ of reducing poverty.
challenge
I met with complete ___ when I wanted to learn how to play de flute.
failure
I leave nothing to ___. I always plan everything I do.
chance
It's important to increase student ___ with a system of rewards.
motivation
I have a burning ___ to travel to India.
ambition
The book was an overnight ___. Everyone's reading it.
success