Грамматика прочитайте текст. преобразуйте слова, данные в скобках, так, чтобы они содержанию текста. заполните пропуски полученными словами. каждыйпропуск соответствует отдельному 13-18. example: in a normal life a person sleeps (sleep)for about twenty-five years! 13 but why do we sleep? the simple answer is: “we (not / know). we need more sleep when we are young. 14 a (need) about sixteen hours a day. 15 five-year-old (child) sleep about ten hours. teenagers sleep for eight and a half hours and adults – for seven or eight hours. 16 (old) people need only five or six hours. some people sleep for only one or two hours a night. poor sleep is very bad your health! 17 once there was a man who said that he (have) no sleep for a month! the doctors believe that this is impossible. 18 can you tell how many hours you (sleep) tonight?
13)Don`t know
14)needs
15)children
16) Old
17)had
18) will sleep