Дайте соответствующие существительные мужского рода. a lady, a girl, a niece, mrs. smith, a widow, a stewardess, a french woman, a cow, a queen, a princess, a duchess, a hen, a mother.

A lady - a lord или a gentleman

a girl - a boy

a niece - a nephew

Mrs. Smith - Mr. Smith

a widow - a widower

a stewardess - a steward

a French woman - a French man

a cow - a bull

a queen - a king

a  princess - a  prince

a duchess - a duke

a hen - a rooster

a mother - a father