—Excuse me, sir. Which cup is yours? —________ small one.
Do you understand the theory ______?
If _____ for an explanation for an advanced camera, I would certainly find it difficult.
George would certainly have attended the meetings, _____.
He would have paid _____ for his fridge had the salesman insisted, because he really needed it.
______ they reached Oxford, they stopped the car on top of the hill.