2. 金融经济
  3. I 'm tired out. I__________all afternoon and I don't seem to have finished ...

I 'm tired out. I__________all afternoon and I don't seem to have finished ...

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问题 I 'm tired out. I__________all afternoon and I don't seem to have finished anything.
选项 A.shopped
B.have shopped
C.had shopped
D.have been shopping
答案D
解析根据all afternoon，可知本题表示持续性动作或者状态，故用进行时，因此选D，表示过去已经开始且持续到现在并有一定影响的动作。
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