16.More and more people have realized we won’t have cleaner water to drink unless something soon.A.was done B.will be done C.to be done D.is done 查看更多

 

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More and more people have realized we won’t have cleaner water to drink unless something ________ soon.


  1. A.
    was done
  2. B.
    will be done
  3. C.
    to be done
  4. D.
    is done

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More and more people have realized we won't have cleaner water to drink unless something ______
soon.
[     ]
A. was done      
B. will be done    
C. to be done    
D. is done

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More and more people have realized we won't have cleaner water to drink unless something ______ soon.

[     ]

A. was done
B. will be done
C. to be done
D. is done

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More and more people have realized we won’t have cleaner water to drink unless something______ soon.

A.is done          B.will be done          C.to be done            D.was done

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More and more people have realized we won’t have cleaner water to drink unless something

            soon.

A.was done         B.will be done      C.to be done       D.is done

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