25.I’m afraid I’m not ____ to help with the show, for I am fully occupied with my own project.
You could see the runners very well from we stood.
.--- Shall I give you a ride as it is so late? --- Thank you.____________.
__________and the problem could be settled.
.--- Do you mind my smoking here?--- ________. Look at the sign! It says, “No smoking”!
--- I called you last night, but nobody answered. --- Oh, I usually__________off my cell phone by 8:00 pm.