1_5170249629123478027

If the text is about linking two ideas or people.

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

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

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 . To complete the sentence correctly in the context

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

"The best place to start making a useful to the environment is in your own home." Alternative Options

Used in the phrase "make a difference," though "useful difference" is less common than "useful contribution."