13. Someone.. it twenty years ago. A. stolen B. has stolen C. stole D. was stolen 14. I will go without her unless sheon time. A. to come B. came C. coming D. comes 16. The student..father is my friend got a scholarship to the USA. A. what B. whom C. whose D. who 17. If you had taken my advice, you............. a lot of trouble A. wouldnt have B. wouldnt have had C. wont have D. wouldnt have have