We stayed there and watched the opera ______ an hour.
---Can you see __________ bright light in the sky? --Yes, I think it’s __________ UFO.
—______ does it take Mary to go to the bubby club? —Twenty minutes.
I have ______ money than you, but I have ______ friends than you.
—Who ______ will go with us? —Some of my friends.
The boss looked at the girl when she broke the cups.