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