15. John went to the hospital alone.

　If he 　　　　　　me about it, I would have gone with him.

A. should tell　 　B. tells　 　　C. told　　 　D. had told　　

14. As a new graduate, he doesn’t know　　　　 it takes to start a business here.

A. how　　 　B. what　　 　　C. When　 D. which

13. My father warned me 　　going to the West Coast because it was crowded with tourists.

A. by　 　　B. on　 　　C. for　 　　D. against

12. It rained heavily in the south.　　　　　　 serious flooding in several provinces.

A. caused　 B. having caused　　 C. causing　　 D. to cause

11. Joining the firm as a clerk, he got rapid promotion , and　　　　 as a manager.

A. ended up　　　　 B. dropped out 　　　C. came back　 D. started off