Your classroom report is sowonderful.—I wrote for 3 hours___________ I finished it.

下列各句中，加横线的成语使用恰当的一项是（ ）

Helen, the more careful you are during the exam, the fewer _______ you’ll make.

I followed your advice on how to appreciate Great Expectations, but I still can’t find an effective way to get clear its plot. Why— Well, ______.

______ I could say a word, she had stormed out of theroom.