The World Table Tennis Championship began the morning of May 25, 2010 Moscow, Russia.
| A．Fifty; in; in | B．Fiftieth; on; in | C．Fiftieth; in; on | D．Fifty; on; in |
---Are Mr. and Mrs. Wang living alone in the house?
---Yes, they have three sons, but ______ of them live in their own houses.
| A．neither ???? | B．both | C．all | D．none |
--- I hear that Hu Jintao will come to Nantong because the Sutong Bridge is open to traffic soon.
--- Do you know _______?
| A．what will he talk about | B．where will he give a talk |
| C．how will he come | D．when he will arrive |
All the information except these two pieces _____ writing the article.
| A．have been used to | B．has been used to | C．have been used for | D．has been used for |
What is the best way you think of ______ the environment?
| A．to protect | B．protecting | C．protect | D．protected |
---How does your brother like the song Two Butterflies?
---Great! He _____ such a beautiful song before.
| A．doesn’t hear | B．never hear | C．is never heard | D．has never heard |