1.Air needs____in the workshop a certain number of times every hour
A.to change B being changed C changing D be changed
我觉得是B 才对吧,被换嘛。应该是有被动的才对的啊。
求分析,顺便求个翻译,谢谢
2.. ____that Easton had got promoted,his friends came to congratulate him on that
A.Having been heard B Being heard
C To have heard D Having heard
有先后顺序,先于谓语之前(congratulate him on)发生的动作,表示先听到,后祝贺
应该用完成式 D 不知道我这样分析中不? 但是为什么不能是被听到呢? 求分析,再有我感觉这个C 好象也对。 麻烦大家了这么多问题,呵呵~~~,,拜托大家了啊