-Where did you put the car keys?-Oh, I ______ I put them on the chair because the phone rang as I _______ in.
It was with great delight that I read in your February _____ the letter to the Editor written by Prof. Johnson.
The writer was always looking for suitable _____ to use in his next story.
Be careful how you _____ that jug, it will break very easily.
The family is a cooperative enterprise for which it is difficult to _____ rules, because each family needs to work out its own ways to deal with its own problems.
I'd like to take _____ of this opportunity to thank you all for your cooperation.