Matching Pairs C10U4LD 1COnline version Match the expressions on the left with a similar expression on the right. by Modern English 1 left it up to us 2 put her foot down 3 gave in 4 implemented a policy 5 free-for-all 6 sibling bonding a competition with no rules agreed to someone's demand let us decide what to do demanded something strongly made a set of rules forming a close relationship with a brother / sister