China sent up Shenzhou VI manned Spaceship into space successfully, which shows science and technology _________rapidly in China.
A. is developing
B. have been developing
C. develops
D. has developed
正确答案是B
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。