Вопрос по английскому языку:

Найдите в каждом ряду существительное
1. a) developing, b) development, с) developed, d) develop

2. a) provide, b) providing, c) provision, d) provided

3. a) attend, b) attention, c) attentive, d) attending

4. a) knowledge, b) smaller, c) know, d) knows

5. a) better, b) keep, c) keeper, d) kept

6. a) finder, b) finding, c) finds, d) harder

7. a) build, b) better, c) built, d) builder

8. a) behaviour, b) therefore, c) until, d) think

9. a) possible, b) other, c) throw, d) influence

10. a) quite, b) way, c) equip, d) later