Use the correct form of the words in brackets

1.     Her disappearance has never been _______________ explained.                          (satisfy)

2.     Do you know the _______________ of that word?                                            (pronounce)

3.     I’m pleased to hear you had an _____________ summer vacation.                       (enjoy)

4.     Don’t you know the ______________ of self-study?                                          (important)

5.     Her parents are ________ with her good behavior.                                              (please)

6.     Our project wouldn’t be ______________ without your kind cooperation.         (success)

7.     You don’t have to ______ the grammar rules to be able to do these exercises.   (memory)

8.     You have to _____________ those English vocabularies every day.                   (revision)

9.     She actively ______________ in social work.                                                 (participation)

10.  His ______________ towards her is becoming more and more aggressive.         (behave)

11.  We used to ______________ in many activities of communal center.           (participation)

12.  I can do all of these exercises ______________                                                     (easy)

13.  He was ___________ of his achievements in the field of politics.                         (pride)

14.  His _________________ of some words is not correct.                                     (pronounce)

15.  Her ________ prevented her from success.                                                         (nervous)

16.  We finished the test __________                                                                         (excellent)

17.  The teacher is pleased with the __________ in my study.                                    (improve)

18.  He is an __________ student.                                                                               (excellence)

19.  Students should only learn __________ words.                                                 (importance)

20.  __________ is necessary.                                                                                      (revise)

21.  We are going to Hue tonight to __________ the festival with my family.       (celebration)

22.  His mom takes  __________ in him.                                                                       (proud)

23.  We spent our summer vacation __________                                                        (enjoy)

24.  They aim at __________ target.                                                                          (practice)

25.  Her English __________ very fast                                                                  (improvement)

26.  They always __________ kindly towards their neighbors                                 (behavior)

27.  She always talks about his son __________                                                          (pride)

28.  Sit down and make yourselves __________                                                        (comfort)

29.  Sit down and __________ your dinner, please                                                  (enjoyment)

30.  We are looking forward to our next ___________                                            (cooperate)