— Could you meet me at the airport?— I'd like to,but I'm afraid I ______ a very important meeting when you return.
-The girls in blue are our new classmates. -I know _____.
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.