问题
选择题
I'm tired out.I ________ all afternoon and I don't seem to have finished anything.
A．shopped
B．have shopped
C．had shopped
D．have been shopping
答案
答案：D
D [句意：我很累，整个下午都在购物，但是好像什么事也没完成。由时间状语all afternoon可知，此处表示从过去某时开始一直延续到现在而且还有可能持续下去的动作。shop此处用作动词，“购物”。]