―No problem.

14. ― Can those ____ at the back of the classroom hear me?

A. until            B. before               C. when                D. as

   ― No, I didn’t. He had rushed off towards the station ______ I could say anything more.

13. ― Did you tell Holmes about what happened to the train?

A. take over           B. take up            C. take in              D. take on

12. During these struggling years abroad, Lang Lang worked hard enough for fortune to _______.

A. those who                B. anyone                 C. whomever                       D. whoever

11. The chief manager has decided to put ____ he thinks is energetic, clever, and has good qualities in the position of the leadership of the company.

C. do have left; the least                       D. did leave; the least