19. Johnson ______ for 5 years for political reasons when he was young.
| A．was put in prison | B．was in the prison | C．out in prison | D．was in prison |
The guide showed the travelers _____ of the factory.
| A．in | B．out | C．off | D．around |
We should mind our behaviour ______ public.
| A．at | B．in | C．on | D．out |
Excuse me, I have no ______ on me. Can you _____ the note of 100 yuan ?
| A．changes, charges | B．changes, change |
| C．change,change | D．changed, changed |
They made a bet _____the white horse.
| A．for | B．with | C．on | D．in |
He _____ himself in Shanghai.
| A．lost | B．missed | C．losing | D．missing |