Помогите с грамматикой If we want to find out

Помогите с грамматикой
If we want to find out the most prominent ________ character features, we have to speak to the people and look into the books. NATION 28. British people are known to be _________ but in a special way, as written in P. G. Wodehouse books, for example. HUMOUR 29. Unlike British authors, a typical American __________ is often more straight and serious. WRITE 30. The most popular topic is the __________ of a man to survive in difficult situations. ABLE 31. In many books we read that to be a __________, a man must believe in it. WIN 32. As one Australian author writes in his book,
an effort of one man can make the lives of
many other people __________. DIFFER