―I believe it is the only solution to this problem.―That's debatable, I think. I can_______five other solutions as good as that.
I haven't seen ________ Mary since I came here.
Students in Senior 3 are under _____ great stress, because no one will take ____ risk of failng in the college entrance examinations.
The new survey shows that the number of students ______ computer games has been increasing in recent years.
The Professor considers ____ no good _____ without understanding.
---I'm sorry I made a mistake! --- _____. Nobody is perfect.