2. 外语
  3. In this experiment, they are wakened several times during the night, and asked to report what they______.

In this experiment, they are wakened several times during the night, and asked to report what they______.

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问题 In this experiment, they are wakened several times during the night, and asked to report what they______.
选项 A、had just been dreaming
B、have just been dreaming
C、are just dreaming
D、had just dreamt
答案B
解析 时间副词 just 作“刚才，刚刚”讲时，谓语动词一般只能使用完成时或完成进行时(这要根据动词是短暂性还是延续性的来定)。由于动词 dream 是延续性动词，故这里要使用完成进行时。
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