Although it’s at ____ dusk, the children don’t get tired of playing ____ football outside.
| A．the; the | B．/; / | C．/; the | D．the; / |
The World Expo 2010 is being held at a time the world is looking for a new kind of balance between nature and cities．
| A．which | B．where | C．when | D．that |
You should have informed me that the lecture was put off. I ________ all the way here through the heavy rain.
| A．needn’t have run | B．can’t have run |
| C．shouldn’t have run | D．mustn’t have run |
，I have to put it away and focus my attention on study this week.
| A．However the novel is amusing | B．No matter amusing the story is |
| C．However amusing the story is | D．No matter how the story is amusing |
Have you ever wondered ______ there are so many natural disasters across the world in 2010?
| A．which it is that | B．what is it that |
| C．how it is that | D．why it is that |
---- Was the driving pleasant when you vacationed in Mexico last summer?
---- No, it ________ for four days when we arrived, so the roads were very muddy.
| A．was running | B．had been raining | C．would be raining | D．has rained |