----I’m sorry, but there is no smoking on this flight.----Oh, I _____ that. Sorry, I won’t again.
Please don’t try to break your word _______everything has been arranged.
. I never go past that house _______ think of the happy life we had in the old days.
If you want to see the chairman of the department, you’d better make an _______ with his secretary first.
In the poor parts of America's big cities there is a lot of crime, _____ .
---Where did you find your deskmate Tom? --- It is in the library _______ he studied.