摘要： We plan to reach the North Pole in mid-July, and by then we for six weeks. A. are walking B. have been walking C. will be walking D. will have been walking
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We plan to reach the North Pole in mid-July, and by then we _______ for six weeks.
- A.are walking
- B.have been walking
- C.will be walking
- D.will have been walking
We plan to reach the North Pole in mid-July, and by then we _______ for six weeks.
A. are walking B. have been walking
C. will be walking D. will have been walking
查看习题详情和答案>>We plan to reach the North Pole in mid-July, and by then we _______ for six weeks.
A. are walking B. have been walking
C. will be walking D. will have been walking
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