12. Mr. White works with an import and export company, but he for this industrial fair, s

发布时间：2020-08-16 06:14:13


12. Mr. White works with an import and export pany, but he      for this industrial fair, since he is on leave.
A. has worked
B. works
C. has been working
D. is working

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A. has worked
B. works
C. has been working
(答案→)D. is working
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