Computers(二)本讲目标被动语态被动结构:be+done一般现:____________+done一般过: ____________+done一般将: ____________+done现完: ____________+done过完: ____________+done题题一:B 题二:D 题三:B 题四:D 题五:D 题六:D 题七:C 题八:C能力提升与拓展题九:1. B 2. F 3. D 4. C 5. E