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