11. We don’t know _____ to put the sofa.
A. why B. where C. what D. who
12. No one could tell me _____ to start the engine.
A. how B. what C. why D. whom
13. I’ve been studying very hard for my final exams but I always feel _____.
A. tired B. calm C. worried D. frustrated
14. She has failed her driving test three times. She feels _____ now.
A. stressed B. depressed C. worried D. calm
15. He did very well at the examination this morning so he feels very _____ at the moment.
A. sad B. unhappy C. worried D. relaxed
16. On the way home yesterday, his bicycle broke down so he felt very _____.
A. frustrated B. excited C. delighted D. confident
17. Minh feels very proud and _____ at the gold medal he has got.
A. unhappy B. delighted C. stressed D. strong
18. If you study hard and you feel tired, you had better take a rest and _____ for some minutes.
A. encourage B. advice C. relax D. empathize
19. The winner of the contest was given a/ an _____ for her excellent performance.
A. bonus B. reward C. fine D. award
20. I don't know what to do to cheer her _____ because she’s just failed her driving test.
A. in B. up C. off D. at
(helpp)