11. She was complaining that the doctor was ____ too much for the treatment he was giving her.

A) expending B) offering C) costing D) charging

12. The manager spoke highly of such ________ as loyalty， courage and truthfulness shown by his employees.

A) virtues B) features C) properties D) characteristics

13. Since the matter was extremely ________， we dealt with it immediately.

A) tough B) tense C) urgent D) instant

14. The shy girl felt ____ and uncomfortable when she could not answer her teacher‘s questions.

A) amazed B) awkward C) curious D) amused

15. Frequently single-parent children ________ some of the functions that the absent adult in the house would have served.

A) take off B) take after C) take in D) take on

11-15 CDBBD