—You mean you saw unidentified flying object?
—It's ________ eraser.
— Yes. C. Ronaldo shared a lot of his experience during interview.
Zhu Hui is living with a American family in New York.
— Yes. My brother is studying there. He wants to be ________ astronaut.
— Yes, she's Karen, university student in America.
—No, I'll take_____ taxi.
—It's cup.