52．Japanese companies have already made robots ．——青夏教育精英家教网—

摘要：52．Japanese companies have already made robots ．

网址：http://m.1010jiajiao.com/timu_id_1377483[举报]

Japanese companies have already made robots ________．

A．to walk and dance

B．walking and dancing

C．walk and dance

D．walked and danced

Japanese companies have already made robots ________.

[　　]

A．to walk and dance

B．walking and dancing

B．walked and danced

D．walk and dance

根据所掌握的文化或背景知识，选择最佳选项。

_______ companies have already made robots walk and dance．

A．Japanese．

B．American

C．Canadian

D．English

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