单选题
They ______ a football match at four o'clock yesterday afternoon.
A、
had
B、
were having
C、
had had
【正确答案】
B
【答案解析】
[详细解答] 此处考查时态。此句意为:昨天下午四点中,他们正在进行足球比赛。表示过去某一时刻正在进行的动作,用过去进行时。
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