4 Write the adjectives in brackets in the correct form.
1.Kate speaks English _____ than Nick.(good)
2.Mathematics is _____ than history.(difficult)
3.The Nistru is _____ than the Bic.(long)
4.This picture is _____ in my father's collection.(beautiful)
5.Andy thinks that PE is _____ than arts.(useful)
6.Stacy says that playing hopscotch is _____ than playing hide-and-seek.(interesting)