根据中文提示，完成句子。

1. 他喜欢说不喜欢写。

    He _______ speaking to _______.

2. 他说他讨厌乘飞机旅行。

    He said that he _______ _______ by air.

3. 在他小时候，他总是尝试新的实验。

    When he was a small child, he _______ always _______ out new ideas.

4. 我们好久没有收到他的来信了。 

    We haven't _______ _______ him for a long time.

5. 他们上周都在为凯特的生日聚会担心。

    They _______ all _______ about Kate's birthday party last week.

6. 老师让我们上课别说话。

    The teacher asked us _______ _______ talk in class.

7. 一定要让他准时还书

    _______ _______ that he can return the book on time.

8. 我已经把它写在这张纸上了

    I've _______ it _______ on this piece of paper already.

9. 当我看到她们时，她们正在喂马。

    They were _______ the horses some _______ when I saw them

10. 活到老学到老。

      You're _______ too _______ to learn.