As we all know, the world’s supplies of oil_________ up with the development of industry and the increase of cars.
A.are being used | B.are using |
C.have used | D.have been used |
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As we all know, the world’s supplies of oil_________ up with the development of industry and the increase of cars.
A.are being used | B.are using |
C.have used | D.have been used |