Advanced Word Building in Context
About this practice test
Practise C1 Use of English through typed sentence gaps. Build accuracy with abstract word families and derivational precision.
What you’ll practice
Grammar and vocabulary
Choose forms and words that work together.
Meaning in context
Follow meaning across sentences and texts.
Accurate expression
Use natural phrases and sentence patterns.
What to expect:
12 questions with explanations to review after submission.
Study the questions and tasks
Work through the material below, or start the interactive practice above to complete an attempt. Try the exercises before opening any answer or transcript sections, then use them to review your work.
- Practice level
- C1. Try this level if you can follow the instructions and understand most of the language; choose an earlier level if you need more support.
- Question formats
- Fill in the blank (text)
How to approach this practice
Read the complete context. Check both the meaning and the grammar, including word forms, collocations and links between sentences.
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Question 1 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use credible: The lack of independent checks undermined the report's ___ (credible).
Check answers and explanations
- Blank 1
- credibility
Credibility is the noun after the possessive report's.
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Question 2 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use coherent: The argument lacks internal ___ (coherent).
Check answers and explanations
- Blank 1
- coherence
Coherence is the noun naming logical consistency.
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Question 3 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use justify: The restriction requires a clear ___ (justify).
Check answers and explanations
- Blank 1
- justification
Justification is the countable noun after a clear.
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Question 4 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use assume: The model rests on several questionable ___ (assume).
Check answers and explanations
- Blank 1
- assumptions
Several requires plural assumptions.
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Question 5 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use interpret: The wording leaves room for more than one ___ (interpret).
Check answers and explanations
- Blank 1
- interpretation
Interpretation is the singular count noun after one.
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Question 6 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use sustain: The long-term ___ (sustain) of the project remains uncertain.
Check answers and explanations
- Blank 1
- sustainability
Sustainability is the noun forming the subject.
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Question 7 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use proportion: The measure appears ___ (proportion) to the limited risk; it goes much further than needed.
Check answers and explanations
- Blank 1
- disproportionate
The context requires the negative adjective disproportionate, meaning excessive relative to the risk.
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Question 8 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use conclusive: The trial ended ___ (conclusive), with neither explanation ruled out.
Check answers and explanations
- Blank 1
- inconclusively
An adverb modifies ended; the result calls for the negative inconclusively.
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Question 9 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use compatible: The two requirements are mutually ___ (compatible); satisfying either makes the other impossible.
Check answers and explanations
- Blank 1
- incompatible
The explanation requires the negative adjective incompatible.
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Question 10 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use objective: Complete ___ (objective) is difficult when researchers assess their own work.
Check answers and explanations
- Blank 1
- objectivity
Objectivity is the abstract noun forming the subject.
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Question 11 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use relevant: The example is only of marginal ___ (relevant) to the issue.
Check answers and explanations
- Blank 1
- relevance
Relevance is the noun in of relevance to.
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Question 12 · Fill in the blank (text)
Complete each blank with the missing word or phrase.
Use diverse: The sample does not reflect the ___ (diverse) of the wider population.
Check answers and explanations
- Blank 1
- diversity
Diversity is the noun after the.
What to review next
Explain why each answer fits the meaning and structure. Record useful phrases and write a new example using each pattern you found difficult.
A focused practice result shows how you did on these tasks. Use several activities across skills to decide what to study next; one practice score does not certify an overall CEFR level.