In this experiment, they are woken up several times during the night, and asked to report what they____. 
#104670
A
had just been dreaming
B
are just dreaming
C
have just been dreaming
D
had just dreamt
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By the time the police came to rescue the old woman, she _______for four days under the house.
#102738
A
buried
B
had buried
C
had been buried
D
has been buried
The thief______ when he was stealing a wallet from a woman. 
#104328
A
happenedtonotice
B
wastakenplacetonotice
C
washappenedtobenoticed
D
happenedtobenoticed
 “You are not a new member , are you?”  “___. I joined only yesterday.”
#104018
A
No, I am not
B
Yes, I’m not
C
No, I’m
D
Yes, I am