— Can you explain ____ you have been late for school several times this term?— Sorry, but it is the first time that I have been late this week.
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.
— I did very poorly in last week’s test. — _________. Look at your paper. You got a good mark.