–Are they ______books? --No, they aren't. They're ______ books.
If you work harder, you’ll have another______ to play the violin at a concert.
--- Mary, who’s______ woman over there? --- She’s my aunt, ______ English teacher.
Do you know the man_______ saved five people in the fire?
The old man was so_______ the good news that he couldn’t say a word.
_______ may have a chance to be successful if he tries his best.