Researchers have ______ a link between sleep and memory.
Answer and explanation
Correct answer: A. established
- Step 1: Establish a link means to find and prove it.
Answer
established.
Why not the others: abandoned, rejected and forgotten do not fit.
Practise more Academic Vocabulary and Collocations.
Free questions with an explanation for every one, and full timed STEP (Standardized Test of English Proficiency) mock tests.
More Academic Vocabulary and Collocations questions
- The new treatment proved so ______ that doctors began using it in hospitals across the country.
- The explorer's journey was ______ with danger, from storms at sea to attacks by wild animals.
- The professor's lecture was so ______ that students found it difficult to follow the argument.
- Scientists have ______ that the drought will continue for at least another year.
- The two companies decided to ______ their resources in order to develop the new technology.
- Her ______ for detail made her an excellent proofreader.