Thanks to the environment－protection policy,our living conditions have been greatly________.
| A．increased | B．improved | C．developed | D．grown |
Only then, _____we ____that the trapped miners were in danger when the flood water dripped into the tunnels.
| A．have; realized | B．did; realize |
| C．do; realize | D．had ; realized |
–We spent all our money because we stayed at ____most expensive hotel in town.
-- Why didn’t you stay at ____cheaper one ?
| A．the ; the | B．the ; a | C．a ; a | D．a ; the |
The open university was started in order to help those who ____ having a university education when they were young.
| A．stopped | B．wasted | C．missed | D．ceased |
. –Mike got “ C” in his history test.
--_____? He has been working so hard at it .
| A．So that | B．How come | C．What for | D．Why not |
They will fly to Shanghai to visit the EXPO in 2010 ,____they plan to stay for two or three days.
| A．where | B．there | C．which | D．when |