.China is one of the countries in the world whichastronauts to space so far.A. have sentB.

发布时间：2020-08-16 09:22:59

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China is one of the countries in the world which    astronauts to space so far.
A. have sent
B. has sent
C. sent
D. sending

网友回答

(答案→)A. have sent
B. has sent
C. sent
D. sending
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