题目内容:
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
参考答案:
答案解析:
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