.If the launch in 2005 is successful, China will be the third country its astronauts into

发布时间：2020-08-16 12:06:31

.If the launch in 2005 is successful, China will be the third country     its astronauts into space.
A. will send　
B. having sent
C. sending　
D. to send

网友回答

A. will send　
B. having sent
C. sending　
(答案→)D. to send
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