Test Your English Vocabulary in Use | Upper-Intermediate
Michael McCarthy & Felicity O’Dell
Research has shown that you need to meet a word at least 7 times before you know it properly. Doing Exercises like these, that practice words and expressions that you already encountered is a useful way to helping yourself to fix the vocabulary you are working on in your long-term memory.
Test-Your-English-Vocabulary-In-Use-Upper-Intermediate