He doesn’t feel very tied after the heavy work, because he is used to for hours without a

发布时间：2020-08-16 12:07:19


He doesn’t feel very tied after the heavy work, because he is used to      for hours without a rest.
A. work
B. working
C. works
D. worked

网友回答

A. work
(答案→)B. working
C. works
D. worked
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