Английский язык Объедините два предложения, используя относительное местоимение, выделенное жирным шрифтом
4) A vacation is a period of the year. Universities and colleges and schools are officially closed.
WHEN
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5) A course book is a textbook. Students and teachers use it as the basis of a course.
THAT
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6) A teacher is a person. His or her job is to show students how to learn, as well as what to learn.
WHOSE
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