1 . In striking contrast to his elder brother, Henry always seems ________（energy）. (所给词的适当形式填空)

2 . In the view of the ________ (retire) teacher, humor can make one ________ (energy) in his work, study and life. (所给词的适当形式填空)

3 . Years of workout on a regular basis makes him look athletic and ________________(energy). (所给词的适当形式填空)

4 . The government has taken a more ________ (energy) approach to protecting the environment. (所给词的适当形式填空)

5 . My teacher is so patient and __________ (energy) that she is very popular among us students. (所给词的适当形式填空)

6 . I wonder how the old man of his age manages to be so _________(energy). (所给词的适当形式填空)

7 . He is a man who is _________ (energy) and has confidence in everything. (所给词的适当形式填空)

8 . You should exercise more so as to keep _________ (energy) and work efficiently. (所给词的适当形式填空)

9 . Influenced by the ________(energy) singers, the audience began to sing along with them. (所给词的适当形式填空)

10 . You should work out more so as to keep________(energy). (所给词的适当形式填空)