The mayor of the city and the governor of the state (was, were) present at the conference. The mayor of the city AND the governor of the state WERE present at the conference. There are two people, making a plural subject. The mayor of the city WAS present at the conference. Danish bacon and eggs (makes, make) a good solid English breakfast. Danish bacon AND eggs MAKE a good solid English breakfast. There are two types of food, making a plural subject. Danish bacon MAKES a good solid English breakfast.