--Hello, Sandy. This is Jack. What are you doing?---I’m watching a match. It started at 7:00 p.m. and _____ on for another an hour.A.has beenB.wasC.had beenD.will be
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D解析试题分析：句意：你好，仙蒂，我是杰克，你在做什么？我正在看比赛。下午7点开始的，还需要一个小时。句中有for another an hour.表示一段时间，句中谓语动词要有延续性，be on表示上演，可以延续，故选D考点：延续性动词和非延续性动词
点评：非延续性动词向延续性动词的转变熟记一下几个：leave --- be away, borrow --- keep, buy --- have, begin/start --- be on, die --- be dead, leave --- be away from, fall asleep --- be asleep