13. A. bought B. had C. sold D. wanted

12. A. answered B. liked C. read D. saw

11. A. ask B. give C. offer D. pay

10. A. jobless B. homeless

　　 C. helpless D. careless

9. A. box B. lot C. number D. pair

8. A. as B. if C. though D. when

7. A. could B. might C. should D. had to

6. A. arrived B. came C. returned D. stopped

5. A. cost B. pay C. worth D. buy

4. A. a big B. a good

　　 C. an expensive D. an unusual