Stefan ________ from heart attack for more than ten years, but now he’s healthy and energetic.
#100871
A
had suffered
B
suffered
C
has suffered
D
has been suffering
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