.— His mother was ill and he had to look after her in hospital. — That’s _________ he was absent from the meeting.
I need some red ink badly, but there’s _____ at hand.
You can go out _____ you promise to be back before 11 o’clock.
There are forty five students in our class, and they are _____ interested in football.
It is too early in the _____ to expect many visitors to the city.
Don’t _____ to correct me if I made a mistake.