.—Steve come back because the window is open. —Yes.but he _______left it open last night.
The bank is ______ the street, so go ______ the underground passage, and you can get there.
As many as five courses are provided, and you are free to choose_______ suits you best.
After school we went to the reading-room to do some reading, only to be told that it ____________.
—Happy birthday! — Thank you! It’s the best present I_________ for.
I showed several old friends of mine around the city, _________ surprise,the changes had been so great.