单词拼写。根据下列各句句意和空白之后的汉语提示词，在横线上写出空缺处各单词的正确形式。

（每空只写一词）

1. Spring has come, and the trees are thick with green ______ (叶子).

2. Andorra is a small mountain ______ (共和国) between France and Spain.

3. I consider it ______ (不可能) to believe a single word you say.

4. He turned on the television set hanging from the ______ (天花板).

5. We were talking on the phone when, ______ (突然), the line went dead.

6. One of my favourite sayings is "Understand all and ______ (宽恕) all."

7. A man I ______ (认出) as his father sat with a newspaper on his knees.

8. Technical progress would put our firm in ______ (拥有) of the home market.

9. ______ (赢得) the support of the majority requires time, energy and devotion.

10. Xi'an International ______ (展览) Center has attracted many business people.