摘要： In the past few years, Chinese scientists great success in the field of space flight. A. achieved B. have achieved C. won D. had won
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In the past few years, Chinese scientists ________ great success in the field of space flight.
- A.achieved
- B.have achieved
- C.won
- D.had won
In the past few years, Chinese scientists ________ great success in the field of space flight.
A. achieved B. have achieved C. won D. had won
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In the past few years, Chinese scientists ________ great success in the field of space flight.
| A．achieved | B．have achieved | C．won | D．had won |