The airplane late, for we didn’t see the famous pop singer until 10 pmA.must beB
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The airplane _____late, for we didn’t see the famous pop singer until 10 pm
A.must be
B.will be
C.would have been
D.must have been
试题答案
D
考查虚拟语气。句意：飞机肯定是晚点了，因为我们直到下午十点钟也没有看见这位著名的歌手。“must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，故选D。