—Haven’t you solved the problem yet?—Sorry, but I promise it in an hour.
There are forty five students in our class, and they are _____ interested in football.
You can go out _____ you promise to be back before 11 o’clock.
I need some red ink badly, but there’s _____ at hand.
-When are you leaving? -My plane _____ at six.
If you keep on, you’ll succeed _____. Wish you success in the examinations.