—Have we water?
—Yes, . We’d better get some.
A. given out; we have run it out
B. run out of, our water has run out
C. used up; our water has been run out
D. run out; our water has run out
网友回答
A. given out; we have run it out
(答案→)B. run out of, our water has run out
C. used up; our water has been run out
D. run out; our water has run out
解析：考查短语：run out of 用完，是及物动词短语，后需要加宾语， run out被用完，不及物动词短语，无被动语态。句意：你们用完水了吗？是的，水已经被用完了，我们最好去取一些。所以选B。