Larger doses will not __________ the medicine’s effect; they’ll just add side-effects (A) rise (B) raise (C) rouse (D) rice.

After three back-to-back exams, Marta felt completely __________ (A) stressful (B) stress (C) stressed (D) stressing.

Without food, the protesters soon felt utterly __________ (A) powerful (B) powerless (C) powerlessness (D) powering.

Good science starts with careful __________, not with wild guesses (A) researcher (B) researches (C) research (D) researching.

A sudden r________ in oil prices shook global markets.

When caffeine wears off, the severe __________ hits you hard (A) tiring (B) tiredness (C) tired (D) tire.

Citizens felt p________ when the blackout lasted five days.

Surgeons searched for a c________ that would eradicate the rare disease.

a) Early-stage trials hint at a possible ________ for dementia. b) Laughter is the best ________, or so the saying goes. c) Sunshine won’t ________ a cold, but it surely helps your mood.

Yoga is surprisingly __________; I leave the studio lighter every time (A) relax (B) relaxing (C) relaxed (D) relaxation.

a) Police reported a sharp rise in petty ________ last month. b) Graffiti is still considered a minor ________ in this city. c) The new law aims to prevent online ________.

The engineer proposed an elegant __________ to the water-leak problem (A) solve (B) solver (C) solution (D) solving.