Question

You should always _____ a horse with a flat palm so they don’t bite you. 1. have fed 2. will feed 3. feed 4. feeding

Answer 1

3. feed
It is the only answer that makes sense. Saying each one out loud is how I try to figure it out when I don't the answer. Hope this helps.

Answer 2

You should always (3) FEED a horse with a flat palm so they don't bite you.