"All things are difficult, before they are easy."

Use of English

TESTs:

https://test-english.com/use-of-english/b2/b2-english-test-1-text-multiple-choice-gaps/

https://www.englishrevealed.co.uk/fce.php

https://www.flo-joe.co.uk/fce/students/tests/

https://www.esleschool.com/b2-first-fce-exam-practice/

https://www.examenglish.com/FCE/fce_reading.html