Grammar test: stack, stock, and stuck up

Your current boy friend does’t ______ against your ex. **stack up** stock up stuck up "stack up" is used to say that something is being measure or compared by something else. My mom ______ a lot of canned goods because of the coming lockdown. stack up **stock up** stuck up "stock up" is used when stockpiling or gathering something. You're such a ______ person. stack up stock up **stuck up** "stuck up" is used to those people who are proud, conceited. So don't be thanful if you are called a stuck up person 😉. Now is your turn to answer. _________ on knowledge and you will _________ against every _______ kid in school.