题目内容
In this experiment, they are woken up several times during the night, and asked to report what they__.
| A.had just been dreaming | B.are just dreaming |
| C.have just been dreaming | D.had just dreamt |
C
dream是从过去某时开始延续到are woken up...and asked to report...这一现在动作之前的动作,故用现在完成进行时。
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