摘要：31．As far as we know, traveling in space has been made with the development of science and technology． A．it is possible B．it possible C．possible D．impossible
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As far as we know, traveling in space has been made with the development of science and technology.
- A.it was possible
- B.it possible
- C.possible
- D.that possible
As far as we know, traveling in space has been made with the development of science and technology.
A．it was possible B．it possible C．possible D．that possible
查看习题详情和答案>>As far as we know, traveling in space has been made______with the development of science and technology.
A. it is possible B. it possible C. possible D. impossible
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