i called you this morning ,but nobody answered.i----- in the kitchen for the family .
题目
i called you this morning ,but nobody answered.i----- in the kitchen for the family .
A.cook
B.am cooking
C.was cooking
D.have cooked
给出理由
答案
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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