John couldn't smile. He wasn't sad, he didn't have the muscles for it anymore.  But he made the kids happy by standing on his head when he did what?
Options:
- make jokes
- frown
- make others happy too
- cry
- rainbow
John made the kids happy by standing on his head when he did frown. John couldn't smile and he wasn't sad also he didn't have the muscles for frown.
frown

In using computers where one thoroughly enjoys himself what may ensue?
Options:
- headache
- addiction
- sitting
- carpal tunnel syndrome
- editing
One may be addicted towards computer. When one has addiction in using computers then he thoroughly enjoys himself.
addiction

Where would you find a pet jellyfish?
Options:
- australia
- movie
- japanese restaurant
- shore
- tank
Freshwater jellyfish or jellyfish that lives in lakes are pet jellyfish. There are some freshwater jellyfish species that can be put in tank as pet. We would find a pet jellyfish in a tank.
tank

In the modern days we give what kind of classification to buildings to protect them from being town down?
Options:
- classical
- old fashioned
- vintage
- historical
- antique

Historical is a classification given to buildings. Historical buildings are preserved hence are not town down.
historical