25.—Why not open the windows to let_____cool air in? —I'd rather you didn't_____air in our town is terribly polluted. A.a;The B/;The C./;/ D.the:/
--- Sorry, I'm afraid I can't go camping with you. I have to make a good preparation for the entrance college examinations. --- __________! We can camp together next time.
I have had my bike _____, and I'm going to have somebody______ my radio tomorrow.
I sight of an empty seat at the back of the bus and went directly there.
is no need
The poor man , ________,ran out of the dark cave.