fifty
                    - Jack contributed fifty dollars, but he wishes he could contribute __________ .
 - The payphone is fifty meter away _____ here. [ ]
 - There are _____fifty students in each class in our school. [ ]
 - He became a famous writer when he was ______. [ ]
 - Fifty dollars for such a T-shirt! You _______ be joking!—I’m serious.It’s made of silk.
 - Fifty dollars for such a T-shirt! You _______ be joking!—I’m serious.It’s made of silk.
 - The World Table Tennis Championship began the morning of May 25, 2010 Moscow, Russia.
 - Each of the singers _______ a ________ swimming pool.
 - How do we say the number “4056 ”? —
 - How do you read the number “3,054,003”?