1 . 看到大卫焦虑的表情，我知道他会放弃参加越野队的。
Seeing his face filled with anxiety, I knew David would ________________ the cross­country team.

2 . Leaving the house, I ________________ how it was getting on now.
离开家，我禁不住想现在进展如何呢。

3 . ________________, I could feel my heart pounding wildly and my mind going unconsciously back to the days I racked my brain for stories.
一听到这些话，我感到心跳加快，大脑不由自主回到那些绞尽脑汁编故事的日子。

4 . 尽管遇到了很多困难，但这个科研团队还是坚持了下来，最终成功地研发出了新型材料。
Despite encountering many difficulties, the research team persevered and _____________________________ (最终成功地研发出了新型材料).

5 . Silver is a _______which has the best quality of _______electricity, but its character of good _______isn’t easily discovered. (conduct) (所给词的适当形式填空)

6 . What about          tomorrow?

A．go swimming

B．going swim

C．go to swim

D．going swimming

7 . Nowadays, many kids spend hours c________ online to their friends. But in fact, they should often meet friends and talk to them face to face. (根据首字母单词拼写)

8 . He was very influential in________the government’s economic policy/strategy.
在左右政府的经济政策/战略方面，他有着极大的影响力。

9 . Children are often very good at________ into a new culture.
孩子通常很善于融入新的文化。

10 . Learning does not only happen when someone older puts information into the learner’s mind. Think about how often children and even adults learn from trial and error, from learning to ride a bike to _______ (use) a new technology. (所给词的适当形式填空)