Fill in: 'The scientist's _____ research has led to several breakthroughs in cancer treatment.'
Amediocre
Bamateur
Cpioneering
Dsporadic
Answer & Solution
Correct answer: C. pioneering
Several breakthroughs implies high-quality, original work. 'Pioneering' (innovative, first to develop) fits.
Related questions
Active: The teacher is teaching grammar. Passive form isActive: Someone has stolen my bag. Passive form isActive: Did she write the letter? Passive form isActive: People speak Hindi in India. Passive form isActive: She had taught me. Passive form isActive: They are repairing the bridge. Passive form isActive: They speak English. Passive form isConvert to passive: Open the door.