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
After several rounds of I’m a Singer competition, Yu Quan _______ because of their excellent voices and performance.
A．put out B．picked out C．broke out D．stood out
This is not an economical way to get more water; ____, it is very expensive.
A．on the contrary B．on the other hand C．in short D．in all
