He turned ______ the radio because his father was asleep. [ ]

For many years we have been keeping in ____by sending each other e-mails or phone calls.

Dad，can I go to the movies tonight?–Sure，but you__come back home before 9 o’clock.

How ______do you see a film? —Three or four times a month.

An old friend of my sister’s always helps my brother andwithEnglish.