Tom, clean up the broken glass _________ someone walks on it.
The ________ news surprised Jim. He was ________ at it.
Are Senior High teachers ______ to Junior High teachers?
–Are you going to Tom’s birthday party?-_____. I might have to work.
We did have a quarrel about money last night, but now we have already ______.
It’s already 10’clock. I wonder how it ______ that she was two hours late on such a short trip.