Given below are a few sentences with one blank in each.

Solution

The sentence discusses the impact of emerging technologies on global economies, ethics, and the future of work. "Far-reaching" indicates that the impact extends widely and has significant consequences, aligning well with the context of the sentence. The other options are incorrect: b) Inflammatory: This word means causing anger or irritation, which doesn't fit the context of the sentence discussing an innovative teaching style. c) Invasive: This word means intruding or encroaching upon something, which doesn't accurately describe the teaching style. d) Incoherent: This word means unclear or disjointed in speech or writing, which doesn't match the context of encouraging critical thinking.