Question

— 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

Answer 1

C

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。