For centuries the upper classes in Britain spoke French ______ the common people spoke English.
| A．while |
| B．when |
| C．though |
| D．since |
The king didn't __________ anyone to go against his will.
| A．permit |
| B．refuse |
| C．predict |
| D．seek |
The mobile phone has become a major means of communication，__________ us to keep in touch as well as to surf the Internet to keep us __________ of the latest news.
| A．to permit; to inform |
| B．permitted; informing |
| C．permitting; informed |
| D．being permitted; being informed |
Passengers are permitted __________ only one piece of hand luggage onto the plane.
| A．to carry |
| B．carrying |
| C．to be carried |
| D．being carried |
He couldn't __________ his father that John was telling the truth.
| A．convince |
| B．believe |
| C．admit |
| D．display |
Nobody could understand her though she tried to __________ her idea by using the simplest English, because they are foreigners.
| A．display |
| B．convey |
| C．say |
| D．speak |