---It is required that you____ change the plan.
---Oh, no! Why____ I follow you again?
| A．must, must | B．can, need | C．need, should | D．should, must |
He _____ in a university for five years, but now he runs a company of his own.
| A．has taught | B．had taught | C．taught | D．has been teaching |
The mother rushed to the hospital_____she heard her son was injured in a traffic accident.
| A．in a minute | B．for a moment | C．at the moment | D．the moment |
The well-dressed gentleman______ to be a criminal, which , of course, surprised many readers.
| A．turned to | B．turned out | C．turned down | D．turned up |
A Greek map maker in the 1 century believed that_____ south of the Indian Ocean a contient existed with_____ mild climate.
| A．/ ; a | B．/ ; / | C．the ; a | D．the ; / |
The prisoner had little difficulty in ___ form the police.\
| A．getting out | B．getting on | C．getting away | D．getting of |