The mother waved to her daughter until the train .
| A．out of sight | B．got out of sight |
| C．caught sight | D．lost sight |
It is required that the football match___________put off ________ the bad weather.
| A．be; thanks to | B．be; due to | C．was; thanks to | D．was; owing to |
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 |