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---I called you yesterday evening, but there was no answer. ---Oh, I am sorry I dinner at my friend’s home. A. have B. had C. was having D. have had [解析]答案:C.該提考查的是動(dòng)詞的時(shí)態(tài).表示過(guò)去某一時(shí)刻正在進(jìn)行的動(dòng)作應(yīng)用過(guò)去進(jìn)行時(shí). 【查看更多】

 

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