Advanced British English Quiz; Lesson 2; Part 1

Level up your English from basic to intermediate and advanced.
British English Quiz, Lesson 2. Part 1.
Which set breaks the tight semantic field?
quid, pound, sterling, buck
contemplate, consider, reflect on, justification
ponder, thoughtfully, reflection, inquiry
solidify, firm, enduring, strengthening

Which group explains “hype”?
publicity, promotion, buzz, empty exaggeration
take matters into your own hands, personally, assume direct responsibility
focal point, central element, converges around, main
overt display, make a fuss, motives, censored dissent