下列词语全是褒义词的一项是（ ）

What’s happening over there, dear—The building is on fire. Can’t you see the black smoke ___ above the ____building

We ____ here two hours ago . We____here for two hours .

35It has been reported that the country’s health-care reform is still _____ debate

If you ______ firm action to deal with it at once, you wouldn’t suffer heavy losses tomorrow.