來源:網(wǎng)絡(luò)整理 2026-01-12 22:42:28
They _______ a meeting at 9 o'clock yesterday morning.
A. have B. had C. are having D. were having
答案:D
解析:at 9 o'clock yesterday morning是過去某個具體時刻,用過去進行時were having,表示“當(dāng)時正在開會”。
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