Unless ________ , the murderer is likely to commit similar or further offences.
| A．to arrest | B．arrested | C．been arrested | D．arresting |
After the meeting was over, the secretary ________ the new worker to the manager’s office.
| A．rejected | B．suspected | C．arranged | D．guided |
The expert says that nowadays there are too many problems linked to poor diet and a ________of exercise.
| A．limit | B．lack | C．need | D．demand |
_____ new cure for this disease that medical experts have recently developed proves to be ______ most effective, although it can not completely kill all the viruses.
| A．A; a | B．The; / | C．/; the | D．A; the |
— What do you think of the novel written by the well-known writer?
— Sorry, no _________!
| A．wonder | B．doubt | C．comment | D．way |
–Can you speed it up a little? I’ll be late for my flight.
--______.I’m taking a shout cut . We’ll make it on time.
| A．Go a head | B．I can’t agree more | C．Take it easy | D．I have no idea. |