―Tony,comedownandhelpmewiththeheavybox!―Comeon!I

问题详情：

 ― Tony, come down and help me with the heavy box!

― Come on! I ______ all day long. Get Peter to do that!

A. work                                                B. had been working     

C. had worked                                       D. have been working

【回答】

知识点：现在完成进行时及其被动式

题型：选择题