--Which car is better, the red one or the black one?--I prefer the red one, but it is really a matter of personal________.
People have always been curious ______ how living things on the earth exactly began.
The father as well as the three children ______ every Sunday afternoon in winter.
—Did Alan enjoy seeing his old friends yesterday? —Yes, he did. He ______ his old friends for a long time.
.The moment I got home, I found I _______ my jacket on the playground.
The hotel wasn’t particularly good. But I ______ in many worse hotels.