В предложениях "He likes music. His hobby is a listening to music" есть ошибки:
Предложение "A person who teaches children at school is an engineer" верно:
Предложение "A person who works with numbers is an accountant" верно:
Предложения "Roger has lots of books. His hobby is reading" верно подобраны по смыслу:
Предложения "What does she do? She is a sales assistant" составлены верно:
Предложения "What is she? She is a teacher" составлены верно:
