The new tax had an ____ effect on small traders. A averse, B adverse, C adverb, D advert.
- The blank stands before the noun effect, so it needs an adjective that describes a result.
- Adverse means harmful or unfavourable and describes things: adverse effects, adverse weather.
- Averse means unwilling or opposed and describes people: he is averse to risk.
- C and D are nouns and cannot describe effect.
Answer: B, adverse.