With the fresh water________short,we human beings are facing the danger of dying from thirst at any

题目简介

With the fresh water________short,we human beings are facing the danger of dying from thirst at any

题目详情

With the fresh water________short,we human beings are facing the danger of dying from thirst at any
time.
[     ]
A. to run  
B. to be run  
C. running  
D. run
题型:单选题难度:中档来源:山东省同步题

答案

C

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