题目内容
The young boy has come to himself in hospital now. But he ___ unconscious for three days.
| A．has been | B．was | C．had been | D．is |
B
解析试题分析：句意：这个小男孩现在在医院苏醒了，但是他有三天失去意识。从前面的句子，说明他失去意识是过去的事情，所以用一般过去式，选B。
考点：考查时态
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| A．have seen | B．had seen | C．are seeing | D．saw |
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| A．left | B．has left | C．leaves | D．was leaving |
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| A．arrive | B．would arrive | C．have arrived | D．are arriving |
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| A．complete | B．have completed |
| C．had been completed | D．have been completed |
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| A．has worked | B．had worked | C．worked | D．has been working |
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— Oh, really? Do you know when he ?
| A．leaves | B．will leave | C．was leaving | D．left |
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| A．find out | B．finding out | C．found out | D．be found out |