–-Are there ___desks in the room?--Yes, there are ______.
—How long may I this book? —About two weeks.
It’s necessary exercise every day.
—have you been like this? —Since Friday.
There is ________ food. It’s enough for us to eat for a week.
—The film will be on at half past eight. —Oh, I _____ go now, or I will be late for it.