No matter how much knowledge you have, if your subject is at all ______, be careful when discussing it during your speech, or you may well offend your audience.
| A．diverse | B．sensitive |
| C．abstract | D．original |
— Were you surprised by the ending of the film?
— No, I ______ the book, so I already knew the story.
| A．was reading | B．had read | C．am reading | D．have read |
My mother has not yet recovered from the illness, but she is __________ getting better.
| A．frequently | B．gradually | C．fluently | D．exactly |
It is shown that men have as women do on average while driving according to recent statistics.
| A．twice as many serious accidents |
| B．serious accidents as twice many |
| C．twice serious accidents as many |
| D．serious accidents as many twice |
Not until the train pulled into the station that his suitcase was gone.
| A．had he found | B．did he find | C．he had found | D．he found |
The news came as no surprise to me . I ____ for some time that the factory was going to shut down .
| A．knew | B．know | C．have known | D． had known |