—When did the car accident happen?—It happened ____ a rainy night. A. at B. on C. in
The magazine___________ be Lily's, for we can find her name on the cover.
— Have you seen______ pen? I left one here this morning. — Is it___________ black one? I think I saw it somewhere.
Harry Potter is so interesting a book that lots of teenagers like to read _
— Could you please pass me the book?
—Merry Christmas! —_______.