Чем отличаются однокоренные слова от формы одного и того же слова

Объедините два предложения, используя относительное местоимение, выделенное жирным шрифтом

1) The students carry out research. It is directly related to business life. WHICH Ответ

2) Coursework is work. It is performed by students or trainees for the purpose of learning. THAT Ответ

3) Exams are a requirement. They take place every summer. WHICH Ответ

4) A vacation is a period of the year. Universities and colleges and schools are officially closed. WHEN Ответ

5) A course book is a textbook. Students and teachers use it as the basis of a course. THAT Ответ

6) A teacher is a person. His or her job is to show students how to learn, as well as what to learn. WHOSE Ответ

7) A college is any place for specialized education after the age of 16. People study or train to get knowledge and skills there. WHERE Ответ

8) A department is a part of an organization such as a school, business, or government. It deals with a particular area of study or work. THAT Ответ

9) A campus is the buildings of a college or university and the land. The land surrounds them. THAT Ответ

10) The mid-morning break is a period in the school day. Pupils relax and change classrooms WHEN Ответ

11) Nursery is a kind of playschool. Children aged 1-5 go there. WHERE Ответ

12) Grades are marks. They are often given for homework. THAT Ответ

13) He's a professor. He works at a university in London. WHO Ответ

14) A curriculum is all the different courses of study. They are taught in a school, college, or university. THAT Ответ

15) An entrance exam is an examination. Educational institutions conduct it to select prospective students for admission. THAT Ответ