6). Human ingenuity and know-how will (inevitably) come to the rescue. A: unavoidably B: certainly C: accidentally

A series of border incidents inevitably led the two countries to war. A: distinctly B: unavoidably C: regularly D: actually

9) It (inevitably) will increase the emission of carbon dioxide and so hasten the buildup of greenhouse gases in the atmosphere. A: unavoidably B: certainly C: accidentally

Which of the following can BEST replace “entrenched” in “passenger traffic may diminish as an urban issue if working from home gets entrenched”? ___ A: Effectively distinguished B: unavoidably impoverished C: quickly accomplished D: firmly established