That evening she _____ writing the report.
  A. set out   B. set off    C. set up    D. set about

—The kind-hearted lady is popular with her neighbors, right?

—Yes, she is ready to help others without expecting anything _______.

A. in store 　　 B. in return　　　 C. in charge　　　 D. in turn

It's ten years since the scientist _______on his life's work of discovering the valuable chemical.

　 A. made for　 B. set out　　　 C. took off　　　　 D. turned up

I know nothing about the young lady＿＿＿she is from Beijing.

　 A. except 　 B. except for　 C. except that 　 D. besides

Smoking is so harmful to personal health that it kills ___ people each year than automobile accidents. 
A. seven more times     B. seven times more     C. over seven times     D. seven times

Those experienced doctors in our country _______the meeting in order to find out the real_______ of bird flu(禽流感).

　 A. attended; cause　 B. joined; reason 　 C. joined; cause　 D. attended; reason

________ English will help to communicate _____ people from different countries in the world.
A. Known; with B. Knowing; with C. To know; to　 D. To know; in

I _____ it as a basic principle of the company that suppliers of raw materials should be given a fair price for their products.