—Icametoyourofficeyesterdaymorning,butnobodywasin.—Oh,w...

問題詳情：

—I came to your office yesterday morning, but nobody was in.

—Oh, we__________ a meeting in the meeting room.

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

【回答】

C

知識點：動詞時態

題型：選擇題