2 . 工人们没有被组织好，否则他们会用一半的时间完成任务的。
The workers were not better organized, otherwise they _________the task in half the time.

3 . _________________(没有和平的环境),economic development would be out of the question. (根据汉语提示完成句子)

4 . It is difficult to __________________(想象生活会是怎样) without water. (根据汉语提示完成句子)

5 . ________ (如果没有重力), there would be no air around the earth. （根据汉语提示完成句子）

8 . —Did you make it at last?
—Yes.But for your help，it ________________a serious loss.
——你最终成功了吗？
——是的，要不是你的帮助，可能会导致严重的损失。

9 . I was ill that day. Otherwise，I________________part in the sports meeting.
我那天病了，否则，我就参加运动会了。