Yulia (has /have)visited the grand canyon. ed and his sister (has /have) traveled about the atlantic coast. my cousin ( has/have) seen "the big apple". john (has/have) played five games of tennis. the richardsons (has / have) been to the great lakes. alike (has/have) listened to the song"america, the beautiful". she likes it. boris (has / have) walked in central park of new york. now he knows what it is like. kim's parents (has /have) been to the rocky mountains. we (has/have) seen the appalachians. they are great. you (has /have) washed your hands. you may sit down to table