Yesterday, when I went to his office, he ______ online for some information. I think it will be an interesting lecture.
#102100
A
searched
B
was searching
C
would search
D
has searched
推荐题目
---Is dinner ready?---Not yet. The main course ______. It needs another ten minutes.
#100637
A
was not done
B
had not done
C
is not done
D
has not done
A fire broke out in the neighborhood last night. By the time the firemen arrived, it    . 
#101011
A
had been put out
B
would put out
C
has been put out
D
was putting out