----Icalledyouyesterdayevening,buttherewasnoanswer. --...

問題詳情：

 ----I called you yesterday evening, but there was no answer.

 ----Oh, I am sorry I _____ dinner at my friend’s home.

A. was having         B. had                C. have             D. have had

【回答】

A

知識點：過去進行時及其被動式

題型：選擇題