11. You can arrive in Beijing earlier for the meeting, ______ you don’t mind taking the night train.

 A. provided  B. unless  C. though  D. until

11. ____ you may be right , I can’t agree completely.

  A. While       B. As      C. If         D. Since

12. Through English we will be able to communicate _____ part of the world we come from.

A. in which            B. even if

C. whatever            D. wherever

12. He knew the problem was serious and promised to look into it _____ he reached office.

A. at that moment        B. for that moment

C. immediately           D. soon

11. In the school where I study English ____.

A. is there            B. has no good teachers

C. is taught           D. is the most beautiful

The rainbow _____ as the sun came fully out from behind the clouds.

          A. dissolved      B. removed      C. resigned     D. disappeared

Because the children keep interrupting her whenever she reads a book, she is always _____ her place.

         A. loosing       B. missing       C. losing       D. looking for

4. ___________ a fine day, Shenzhou VI will be launched on time according to its planned time.

A. Being   B. It being  C. To be  D. It is

6. The temperature can fall to －50°C. _____ is, 50°Cbelow freezing point.

A. Which    B. It      C. This     D. That

My parents will move back into town in a year or _______ .

A．later  B．after  C．so  D．about