He is free now, so he ______ go with us, but he hasn’t decided yet.
| A．shall | B．must |
| C．may | D．will |
As a rough estimate, Nigeria is _______ Great Britain.
| A．three times the sizes as | B．the size three times of |
| C．three times as the size of | D．three times the size of |
The new building _____ at the end of this year _____ to that university.
| A．be completed; belongs | B．being completed; is belonging |
| C．to be completed; belongs | D．completed; is belonged |
The purpose of the campaign is to raise the public’s_______ of the dangers of passive smoking.
| A．existence | B．connection | C．awareness | D．consciousness |
A recent study has come up with _____ unexpected conclusion that ____ Africa elephants should be divided into two different species.
| A．a, the | B．an, the | C．an, an | D．the, the |
If I long enough to have a job, I would choose to be a doctor,those AIDS patients．
| A．had lived; helping | B．should live; help |
| C．were to live; helping | D．should have lived; help |