1_5170249629123478027 Apr 2026

To complete the sentence correctly in the context of standard English exams (like the FCE or CAE), the word you are likely looking for is .

In many "Use of English" tasks, you are required to change a root word to fit the sentence. If your task is a exercise, the transformation usually looks like this: Root Word: CONTRIBUTE (Verb) Target Word: CONTRIBUTION (Noun) Example Sentence: 1_5170249629123478027

Used in the phrase "make a difference," though "useful difference" is less common than "useful contribution." To complete the sentence correctly in the context

"The best place to start making a useful to the environment is in your own home." Alternative Options Common Exam Contexts Depending on the specific nuance

The phrase is a common collocation used to describe providing something valuable to a project, discussion, or society. Common Exam Contexts

Depending on the specific nuance of your text, other nouns might fit, though "contribution" is the most frequent exam answer: If the text is about evaluating two things.

If the text is about linking two ideas or people.