Конечно! Давайте исправим предлоги в предложениях:
Start a career in marketing if you enjoy creativity and strategy.
(вместо "at" должно быть "in")At the age of 30, she found her passion and purpose in her work.
(в этом предложении нет ошибок, но стоит добавить "her" перед "passion")Most high school students are under pressure because they have to pass the exams to enter the university.
(вместо "on" должно быть "under")Mr. Franklin is in charge of our class.
(вместо "at" должно быть "of")By the end of the game, all the children had been covered in mud.
(в этом предложении нет ошибок)
Таким образом, исправленные предложения выглядят так:
- Start a career in marketing if you enjoy creativity and strategy.
- At the age of 30, she found her passion and purpose in her work. (ок)
- Most high school students are under pressure because they have to pass the exams to enter the university.
- Mr. Franklin is in charge of our class.
- By the end of the game, all the children had been covered in mud. (ок)
Если у вас есть дополнительные вопросы, не стесняйтесь спрашивать!