The equipment _____ out of order, the experiment has to be put off.
B
暂无解析
Hehasmadeanotherwonderfuldiscovery,_____ofgreatimportancetoscience.
ExcelEnergyCorporation'snewonlinetrainingprogramhas_______(interact)featuresandforumdiscussionsfortrainees.
Undernocircumstances_____anythingthatwillbenefitourselvesbutatthesametimeharmtheinterestsof。
Dr.Byeris____withtherenovationsmadetohisclinicbytheremodelingcompany