Ⅳ. 用所给单词的正确形式填空
1. He ______ (stick) the key into the lock and opened the door.
2. We should eat ______ (healthy) to keep fit.
3. The city has seen a lot of ______ (improve) in public transportation this year.
4. The ______ (organize) school trip was enjoyed by all the students.
5. You should make choices ______ (wise) when buying things.
6. If you don't review the lessons, you may ______ (fail) the upcoming test.
7. She is busy ______ (design) a new dress for the fashion show.
8. With more practice, you can build up your ______ (confident) in speaking English.
9. The ______ (energy) children played football on the playground all afternoon.
10. The scientist's many ______ (achievement) in the field of medicine won worldwide praise.

stuck
; healthily
; improvement
; organized
; wisely
; fail
; designing
; confidence
; energetic
; achievements