8. A.duty B.time C.target D.schedule 9. A.warned B.caught C.hit D.followed 10. A.observed B.spotted C.realized D.predicted 11. A.train B.truck C.car D.ambulance 12. A.yet B.just C.still D.even 13. A.yards B.stations C.bridges D.tracks 14. A.belt B.key C.bell D.han...