This is ______ key, and that is ________ orange. A. a; a B. a; an C. an; an
There ______a number of books in our school library. The number of books________getting larger than last year.
His speech is welcomed by our middle school students because it___manyproblems that the teenagers care about.
The National Sports Meeting will be covered______tomorrow evening.
Why not_____to see the horror film tonight since you don't mind_______?
At last, the girl was made and began to do her homework.