-----Tom, I’m sorry I’ve lost your book.. ----- _____ .I have another one.
It’s dark(黑的) now, and I can’t see anything–The light is behind the door, you can __________
I’m not full. Could I have ____________ cake?
–__________do you exercise? – I exercise three times a week.
_______the party, we sang a song together.
The students want to ask for ____________off.