___ ___ ___ ___ the volunteers,the poor children's living conditions have improved a lot.在志愿者的帮助下,贫困孩子们的生活条件有了很大的改善.

问题描述:

___ ___ ___ ___ the volunteers,the poor children's living conditions have improved a lot.
在志愿者的帮助下,贫困孩子们的生活条件有了很大的改善.

填 With the helf of 在.的帮助下