1. The boy is getting _________ .
taller and taller
smaller and smaller
2. The _________ it rains, the sadder I feel.
more
less
3. The older you get, the _______ you'll feel.
wiser
healthier
4. The more you work, the ________ free time you'll have.
fewer
5. There are ________ people in the world.
fewer and fewer
more and more
6. The _________ problems you have, the happier you'll be.
