English is___ useful language because people in many countries are using it.

The 2010 Guangzhou Asian Games will be ________ from Nov. 12 to Nov. 27.

Must we get to the airport before 8 o’clock?— No, you _____. The plane takes off at 12 o’clock.

Who does the worst of all _______ swimming in your class?[ ]

Where is London? I have a pen pal there. —It’s ________ England.[ ]