问题描述:
China sent up Shenzhou V manned spacship into space successfully, which shows science and technology
___ rapidly in China.
A. having been developing B. develops
C. is developing D. has developed
为什么不选A啊
___ rapidly in China.
A. having been developing B. develops
C. is developing D. has developed
为什么不选A啊
问题解答:
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