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:/
The news about the terrible flood there greatly discouraged ______ there for a sight-seeing.
______ all the possibilities, I really believe that I’d prefer to make any change now.
.Nobody could______it when the bull broke into the shop and attacked two customers with its horns. The others just hurried away from it.
He appears ______ a long time. He is impatient for my arrival.
Every device ______in the plane must be designed and made with great care so as to make sure that nothing goes wrong in operation.