Complete the sentences with nouns derived from the adjectives in the list. ● • complex free • generous ● happy possible silent. ● 1 You should thank Tom for his ...... ....... towards you. 2 I get a great sense of ...... when I am cycling in the countryside. 3 The ..... ...... of the human mind will never be fully understood. 4 They stood in ..... .... and listened to the scientist explain the theory. 5 Some people believe there is the ...... of robots taking over the world one day. 6 Most people are in search of ...... but they don't know what it is. 6​