We should try our best to leave our generation a world better than________we were given.
| A．it | B．one |
| C．the one | D．those |
—Could you please do me a favor?
—__________
—I mean，could you help me?
| A．Sorry? | B．Forget it． | C．What! | D．Really? |
Christchurch is New Zealand’s__________city after Auckland．
| A．second large | B．second larger |
| C．second largest | D．the second large |
China won its first Olympic women’s ice hockey match_______12 years______Feb．22
2010．
| A．in：on | B．at；on | C．in；of | D．at；in |
Toyota’s chief executive said the company grew too fast to__________safety controls．
| A．prevent from | B．pay attention | C．get rid of | D．keep up with |
On Tuesday，Jefferson praised Bill，__________him a hero．
| A．called | B．calling | C．named | D．naming |