来源：百度文库 编辑：高校问答 时间：2024/05/03 03:57:02
---I called you yesterday evening,but there
was no answer.
---Oh,I ____ dinner at my friend's home.
A have
B had
C was having
D have had
选c，用过去进行式表明昨天有人打电话的时候“我”正在干什麽，在本句里意思就是昨天你打电话的时候我正在我朋友家里吃完饭。
C
过去进行时
c 用过去进行时来答
C
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