一、根据首字母及汉语提示完成句子
1. If you h______（加热）ice, it turns into water.
2. Do you have any d______（困难）doing your project on colours?
3. Wearing red makes it easier for me to take a______（行动）.
4. When I saw the old picture, it r______（使想起）me of my childhood.
5. They r______（需要）him to keep a secret.

eat
; ifficulty
; ction
; eminded
; equire

二、用所给单词的适当形式填空
6. —Have you reached a ______ (decide)?
—Not yet.
7. Tom's mother looks ______ (worry) because Tom is crazy about playing computer games every day.
8. You can ask your teacher for help if you have ______ (difficult) solving the problem.
9. The Shenzhou-15 manned spaceship has returned to the earth ______ (success).
We are proud of our country.
10. The teacher requires us ______ (take) a test.

decision
; worried
; difficulty
; successfully
; to take