17. A. chance B. luck C. thing D. experience
16. A. bags B. money C. keys D. card
15. A. with B. behind C. after D. in
14. A. square B. hospital C. street D. bench
13. A. with B. at C. in D. by
12. A. looked B. felt C. found D. searched
11. A. disappeared B. out C. left D. lost
10. A. car B. place C. street D. way
9. A. listen B. listening C. to listen D. listened
8. A. by B. of C. to D. with