—I am going to America.
—how long you there?
| A．are; stayed | B．are; staying | C．have; stayed | D．did; stay |
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 |
On Halloween, children in American like to _____ as ghosts to frighten people.
| A．dress up | B．put on | C．make up | D．spy on |