题目内容
— Why do you do volunteer work in the North-West?
— I___ to improve the lives of the children there through my efforts．
| A．was trying | B．have tried |
| C．am trying | D．tried |
C
解析试题分析：句意：--你为什么在西北做志愿者的工作？--我在努力通过自己的努力改善那里孩子的生活。从第一句话：Why do you do volunteer work in the North-West?可知是现在正在做，用现在进行时，选C。
考点：考查时态
阅读快车系列答案Large quantities of information＿＿＿since then as to how the program has worked.
| A．has been offered | B．were offered | C．have been offered | D．was offered |
At present , the butter factory is still polluting the river though it _____to stop.
| A．ordered | B．has ordered | C．will be ordered | D．has been ordered |
The discussion ________ alive when an interesting topic was brought in.
| A．was coming | B．had come | C．has come | D．came |
—It is the first time that I ________ here in Hong Kong.
—What great changes！It’s ten years since I ________here last time.
| A．have been；came | B．have been；have come |
| C．am；came | D．was；have been |
John was given the same suitcase his father and grandfather _______with them to school.
| A．took | B．had taken | C．were taking | D．would take |
In order to find the missing child，villagers ________ all they can over the past five hours.(2012·安徽)
| A．did | B．do |
| C．had done | D．have been doing |
(2013·河南豫西五校高三质检)To her disappointment, what she had devoted herself to ________ in nothing but failure.
| A．resulting | B．results |
| C．has resulted | D．resulted |