1. They ______ on the program for almost one week before I joined them, and now we _____on

1. They ______ on the program for almost one week before I joined them, and now we _____on it as no good results have come out so far.

A. had been working; are still working    B. had worked; were still working

C. have been working; have worked      D. have worked; are still working

答案

相关题目

补出下列名句名篇中的空缺部分 1、              , 
补出下列名句名篇中的空缺部分 1、              ,                 。别君去兮何时还?                ,              
(2008·广东单科,20)我国城市建设中“南方北方一个样,大
(2008·广东单科,20)我国城市建设中“南方北方一个样,大城小城一个样,城里城外一个样”,这种“千城一面”现象                     
It soon became clear that the Labour Party had,for the first time in its histo
It soon became clear that the Labour Party had,for the first time in its history,won its third election ______. A.in a hurry  B.in a way   C.in other words  D.in a row  
下列化学反应方程式或离子反应方程式正确的是A.溴乙烷的
下列化学反应方程式或离子反应方程式正确的是A.溴乙烷的消去反应:CH3CH2BrC2H4↑ + HBrB.碳酸钠溶液中加入少量的苯酚:CO32- +  →   +  HCO3- C.
求由曲线与,,所围成的平面图形的面积.
求由曲线与,,所围成的平面图形的面积.
—I’ve had enough bread.Would you like__________?  —No,thanks.  
—I’ve had enough bread.Would you like__________?  —No,thanks.         A.a few more    B.one more       C.another more     D.some more
下列物质中,与NaOH溶液、Na2CO3、溴水、苯酚钠水溶液和甲醇
下列物质中,与NaOH溶液、Na2CO3、溴水、苯酚钠水溶液和甲醇都能反应的是( ) A.C6H5OHB.CH2=CH﹣COOHC.CH3COOHD.CH3CHO
宋朝时一次宫廷画院考试,以“野水无人渡,孤舟尽日横”为
宋朝时一次宫廷画院考试,以“野水无人渡,孤舟尽日横”为题。应试画作多为岸边泊着一条空船,船边蜷着一只鹭鸶,或船篷上栖着一只乌鸦。而获得第

最新题目