You can stop to _____ your notes while making a speech.
| A．refer to | B．look for | C．look forward to | D．reply to |
. 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 |
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 |
.I was about to leave _____ the telephone rang.
| A．then | B．when | C．that | D．and when |