20. A. home B. store C. school D. hospital
19. A. who B. which C. that D. he
18. A. on B. of C. about D. in
17. A. or so B. later C. ago D. time
16. A. he B. who C. the other D. and he
15. A. liked B. saved C. killed D. served
14. A. teacher B. worker C. girl D. student
13. A. same B. different C. naughty D. bad
12. A. dead B. happy C. living D. angry
11. A. lay B. lying C. lain D. lied