摘要：The fifth generation computers, with artificial intelligence, are and perfected now. A .developed B .have developed C .being developed D will have been developed
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The fifth generation computers, with artificial intelligence, are ____and perfected now.
A. developed B. have developed
C. being developed D. will have been developed
The fifth generation computers, with artificial intelligence, are ____and perfected now.
A. developed B. have developed
C. are being developed D. will have been developed
The fifth generation computers, with artificial intelligence, are ________ and perfected now．
[ ]
A．developed
B．have developed
C．are being developed
D．will have been developed