We are using so many raw materials every day, which that they .
A. are running out ; will be used up
B. are being run out; will run out
C. have run out of ; will be using up
D. have run out; will run out of
网友回答
(答案→)A. are running out ; will be used up
B. are being run out; will run out
C. have run out of ; will be using up
D. have run out; will run out of
解析：句意：我们每天都使用如此多的将会耗尽的原材料，以至于它们将会被用光。第一个run out用光，不及物动词词组，不用被动语态，run是表位移的词，可用现在进行时来表将来。第二空use up是一个及物动词词组，要用被动语态。所以选A。