Відповіді: Стр.71 (1)

1. Make adjectives from these nouns. Use –al or –ful.

1 – helpful; 2 – natural; 3 – environmental; 4 – professional; 5 – peaceful; 6 – stressful; 7 – painful; 8 – cultural; 9 – political; 10 – musical; 11 – successful; 12 – traditional; 13 – colourful.