Eyeball.
will
kill
might could will
Actually we use both. However, it isn't clear in what context you would prefer to use the word "food" instead of "energy".
i would guess that the sky is blue imagine
Instead of antiques, the couple was looking for modernfurnirure.
Instead of using the word challenging you can use the word gifted, special, special gifted.
or
Will, when, why, it, can
depends on the mood of the person if they are smiling. If they are planning something bad, smirk would be a good word. Also, grin would be another good word to use intead of smile.
Myself
I have a stomach ache.