Work или works 1.my uncle....in an office. 2 My uncles....with my father. 3 His aunt ....at school. 4 The children.....at

1. My uncle works in an office. 2. My uncles work with my father. 3. His aunt works at school. 4. The children work at the Zoo. 5. Mr Brown works in the hospital. 

В Present Simple (настоящем неопределенном времени) глаголы в третьем лице единственного числа (соответствует местоимениям он, она, оно - he, she, it) добавляют окончание -s, -es.