1 . The letters did, however, change as Tolkien’s children got older.
译文：不过，_____________________，信的内容确实发生了一些变化。

2 . ______ you know little about the Qing and Ming dynasties, you’d better read more books about them.

A．Unless

B．Since

C．Although

D．Whether

3 . ________ the underwater world may seem fascinating, it’s not always a fairy tale.

A．While

B．As

C．When

D．Because

4 . 当我到家时，我太太可能正在看电视(用恰当的时态翻译句子)。

5 . 有些人空想致富的办法，而有些人决心退出富人的生活方式。(汉译英)

6 . 尽管结果有点令人烦恼，他仍然致力于他的研究工作。(汉译英)

7 . 既然大家都知道真相了，只好去面对。
________ _________ everyone knew the truth, the only thing to do was to face it.

8 . _______ _______ _______ we meet with difficulties, we should keep calm.
无论何时我们遇到困难，我们都要保持冷静。

9 . 微信是如此方便和有用的工具，以至于它在中国人中十分受欢迎。
WeChat is _________ _________ _________ and useful tool _________ it’s quite popular among Chinese people.

10 . ________ ________ ________ ________ his bookstore, he always welcomes us warmly.
不管我们什么时候去他的书店，他总是热情地欢迎我们。