Exercise III Choose the best words to complete the following sentences. handle, refund, destination, disabled, purchase, contact, circumstance,verify (1)The train is leaving for Shanghai, so Shanghai will be the of this train. (2) If you have any problem on a metro, please the metro staff and they will help you. (3)In any , one should keep calm. (4)Please give your seat to the old, the and the pregnant women. (5)To a car is not expensive nowadays. (6)The website will first your ID before you buy a train ticket. (7)Within half an hour after your purchase, you can get . (8)The metro staff will help you the problem.