Ответ:

1 Franz always asks_himself_ why English is so crazy.  

2 I consider myself to be an intelligent person.  

3 The computer will reboot itself after the program installation.  

4 Sonja cleans her room by herself. She never asks for help.  

5 We are going to repair our house by ourselves.  

6 You and your partner must finish on this project yourselves.  

7 I will finish these questions by myself.  

8 Tom saw a reflection of himself in the mirror.  

9 We enjoyed ourselves at the seaside.    

10 She lives in that big old house by herself.  

11 I can't believe it! The Prime Minister himself answered the phone!  

Объяснение:

Возвратные местоимения (reflexive pronouns) образуются путем прибавления к личным местоимениям в объектном падеже him, her, them и к притяжательным местоимениям my, our, your окончаний -self/-selves.