Mastering Vocabulary at C1 Level

Choose the correct word: She has a very __________ approach to problem-solving. (innovate)

• creative

• innovative

• traditional

• static

Fill in the blank: His explanation was so __________ that everyone understood the complex topic. (clarity)

• ambiguous

• vague

• clear

• confusing

Identify the idiom: To 'hit the nail on the head' means to __________. (not make a mistake)

• be confused

• miss the point

• be accurate

• take a guess

Choose the correct collocation: She has a __________ interest in environmental issues. (big)

• deep

• moderate

• casual

• temporary

What is the noun form of 'decide'? (decision, decisive)

• decision

• decisive

• decider

• deciding

Complete the sentence: The project was a ________ success, exceeding all expectations. (one of a kind)

• ordinary

• mediocre

• subpar

• remarkable

Choose the correct word: The teacher encouraged her students to think ________.

• criticality

• criticize

• critique

• critically

Identify the idiom: To 'let the cat out of the bag' means to __________.

• ignore the issue

• make a joke

• reveal a secret

• hide the truth

Fill in the blank: His __________ to detail is what makes his work stand out. (attentive)

• attention

• carefulness

• alertness

• focus

Choose the correct collocation: They made a __________ decision to invest in renewable energy.

• wise

• wisely decision

• wise decision

• wisdom