Do teenager should get at least six hours of sleep every day?

Then in June 1967 the country diplomatic relations with Israel after the outbreak of the Six Day War.

One day they passed more than 20 villages in _______, and some of these are said to have stretched for six miles or more.

Mother’s Day is on the ______ Sunday in May every year. A: two B: second C: six D: sixth

A six-day to New Zealand only charges RMB ¥6,999.

That day he had been ____ ever since he got up and by six o'clock in the afternoon he was tired out.

中国大学MOOC: “The working day starts at eight thirty and ends at six in the evening. By then weve sent out all the 6) ______orders.”

—How many lessons do you usually have a day?Six lessons a day. And each of then _____45 minutes. A: last B: lasts C: have D: are

The time children spend on TV viewing every day is suggested to be about ________. A: six hours B: eight hours C: three hours D: one hour

7. How many hours a day of sleep does the doctor recommend? A: Six or seven hours B: Nine or ten hours. C: Four or five hours.