The temperature in this mountainous area ___ from day to day.
| A．ranges | B．exchanges | C．varies | D．transforms |
The results of the medical checkup suggested that my father ______ in poor health, so the doctor suggested that he ______ smoking and take more exercise.
| A．was; gave up | B．be; should give up | C．should be; gave up | D．was; give up |
The element radium, ______ in the chemistry lab, gave off a blue light.
| A．discovering | B．to be discovered | C．to discover | D．discovered |
I feel it is your husband who ______ for the spoiled child.
| A．is to be blamed | B．is going to blame | C．is to blame | D．should blame |
The fruit ______ fresh in his fruit stand(货摊) sells well.
| A．looked | B．looking | C．look | D．to be looked |
There is only a ___________ ride from his home to his office.
| A．5 minutes | B．5-minutes | C．5-minute | D．5 minute’s |