--I'd like some more cheese. --Sorry, there'sleft.
—Excuse me, sir. Would you do me a favour?—Sure. What is it?—I _________if you could tell me how to pronounce this English word.
The detective_____the spy to_______.
The woman sold the eggs ________ seven dollars and they were sold ________ half price.
I’ve kept up a friendship with a girl whom I was at school ________ twenty years ago.
In the experiment we kept a watchful eye ________ the developments and recorded every detail.