Transform the words in uppercase to fill the gaps grammatically and lexically: 23. Today the Proms have become ______ Orchestras from all over the NATIONAL world take part in the concerts.

Решение:

23. Today the Proms have become national. Orchestras from all over the NATIONAL world take part in the concerts. (Здесь "national" - прилагательное, образованное от "NATIONAL", описывающее "Proms", то есть они стали национальным событием).