This morning traffic was ____ by an accident outside the town hall.

However, at times this balance in nature is disturbed, _______ a number of possibly unforeseen effects.

I’d almost given up hope of finding a car I liked, and then suddenly this one_________ .

Though she  _______for a moment, she finally went in and asked to see a dress that was in the window.

Well, since you ________ it like that, I can’t really refuse.