_______ difficult the task may be, we must finish it on time, because we can’t miss _______ a precious opportunity．
| A．Whatever; so | B．However; such | C．However; so | D．Whatever, such |
The problem should be handled very carefully to balance the needs of people with __________ of nature．
| A．ones | B．this | C．those | D．that |
Chinese billionaire Wang Jianlin __________ on Wednesday that he had bought 20 percent shares in Spanish league champions Atletico Madrid．
| A．confirmed | B．submitted |
| C．informed | D．promoted |
Barbie flue refers to the trend __________ young women dramatically change their appearance to make themselves look like human Barbie dolls．
| A．what | B．whether |
| C．that | D．how |
A wild Siberian tiger has been caught on camera in Heilongjiang Province, __________ the first images of this sort were captured．
| A．which | B．when | C．where | D．that |
Words failed me when I heard the news of the New Year‘s Eve stampede in Shanghai． But for lacking a sense of safety, so many people __________ killed or injured．
| A．couldn‘t be | B．wouldn‘t have been |
| C．mustn‘t have been | D．shouldn‘t be |