Словообразование и лишнее слово

People can ... (EASY) work from home with access to the Internet

(a)  

In ... (ADD), work premises have become nicer places to be than they were even ten years ago.

(a)  

Modern zoos save ... (DANGER) species by bringing them into a safe environment.

(a)  

It is a much more pleasant ... (SOLVE) as the animals appear to be free while they are actually in a very protected environment

(a)  

Should we form an opinion about someone's ... (PERSONAL) only from their looks?

(a)  

They say that it’s... (FAIR) to judge a book by its cover.

(a)  

People with wide heads are generally ... (AMBITION) and want to achieve a lot.

(a)  

Recent research has shown that having a pet can ... (STRENGTH) children's immune systems.

(a)  

Pets make children less ... (LIKE) to have days off school with illnesses than those without animals in the home.

(a)  

Children should be ... (COURAGE) by teachers to take part in competitions.

(a)