1 . 阅读下面句子，从所给选项中，选出可以填入空白处的最佳选项。

A. from head to toe        B. approach to        C. out of curiosity        D. take on E. a lack of        F. cared about        G. originate from H. at war        I. passed away        J. a desire for

1. He squeezed himself into a crowd to see what had happened ________.
2. Ancient China was a place where states were often ________ with each other.
3. Don’t ________ more responsibilities than you can handle.
4. Alice was very sorry to hear that her grandmother had ________ two days before.
5. Facing up to your problem rather than running away from them is the best ________ working things out.
6. All theories ________ practice and in turn serve practice.
7. On hearing the news, his face turned pale and he trembled ________.
8. There is no doubt that hard work can often make up for ________ intelligence.
9. The old man lived alone and felt lonely because no one ________ him.
10. He owed his success to self-education and ________ achievement.