____ twice, the postman refused to deliver our letters unless we changed our dog.
| A．Being bitten | B．Bitten |
| C．Having bitten | D．To be bitten |
We are interested in the weather because it _____ us so directly ------ what we wear, what we do, and even how we feel.
| A．benefits | B．guides | C．affects | D．effects |
An early typewriter produced letters quickly and neatly; the typist, _____ couldn't see his work on his machine.
| A．however | B．therefore | C．yet | D．although |
The reason why he adapted to the new situations quickly is that he has a _____ attitude.
| A．changeable | B．alternate | C．movable | D．flexible |
Motorists _____ of speeding may be banned from driving for a year.
| A．convicted | B．arrested | C．charged | D．judged |
The number of tickets _____ will be determined by the size of the stadium.
| A．adaptable | B．acceptable | C．advisable | D．available |