2 . Heidi, climbing on a chair, took down the ________________ (布满灰尘的) book from a shelf. (根据汉语提示单词拼写)

3 . _____________, the majority of people believe that it is a lifetime study.

说到教育，大部分人认为它是一种终生的学习。

5 . Galileo’s ideas were well_________________.

伽利略的思想远远超越了他所处的时代。

6 . It was ________________ by Yang Jiang.

我是无意中发现了杨绛写的这本小说。

7 . So difficult did I feel it to live in an English-speaking country that I was determined_____ ( learn) English well. （所给词的适当形式填空）

8 . His _____ answer was based on the fact that he _____ lived in Africa. (previous) （所给词的适当形式填空）

9 . They are keen on _____. The two _____ decided on a hike in the summer vacation. ( hike) （所给词的适当形式填空）

10 . They have been_____ and are_____ in their wedding ceremony. ( engage ) （所给词的适当形式填空）