单词拼写。

根据下列句子及所给汉语注释，写出空缺处各单词的正确形式。（每空只写一词）

1. Do you mind my classmate _____ (邀请) their friends here?

2. To our _____ (失望), other guests were not coming.

3. _____ (解释) this way, the question seems easy to understand.

4. The athlete won three gold _____ (奖牌) at the Olympic Games.

5. The _____ (结论) they drew was that the plan couldn't be practically performed.

6. Do you know which holiday in China falls on _____ (八月)the first?

7. Can you _____ (分开) promising students from the rest?

8. The scientist devoted his time to his _____ (试验)and succeeded finally.

9. Top artists invited from all over the country performed excellently for tourists at home and _____

(国外) last night.

10. Few people expect you to remember their names after they are _____.(介绍)